Home / 13,225.39-18,252.17-7,258.21

Finding the Fourth Proportional to 13,225.39, 18,252.17 and 7,258.21

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Solution

The fourth proportional to 13,225.39, 18,252.17 and 7,258.21 is: 10,016.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.39 : 18,252.17 = 7,258.21 : x
  2. Step 2: Convert to fraction form
    13,225.39/18,252.17 = 7,258.21/x
  3. Step 3: Cross multiply
    13,225.39x = 18,252.17 × 7,258.21
  4. Step 4: Simplify right side
    13,225.39x = 132,478,082.82
  5. Step 5: Solve for x
    x = 132,478,082.82/13,225.39
  6. Step 6: Final answer
    x = 10,016.95

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Half scale
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Double scale
Find fourth proportional to 13,226.39, 18,253.55 and 7,259.21
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.