Home / 13,225.30-18,252.09-7,258.13

Finding the Fourth Proportional to 13,225.30, 18,252.09 and 7,258.13

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Solution

The fourth proportional to 13,225.30, 18,252.09 and 7,258.13 is: 10,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.30 : 18,252.09 = 7,258.13 : x
  2. Step 2: Convert to fraction form
    13,225.30/18,252.09 = 7,258.13/x
  3. Step 3: Cross multiply
    13,225.30x = 18,252.09 × 7,258.13
  4. Step 4: Simplify right side
    13,225.30x = 132,476,041.99
  5. Step 5: Solve for x
    x = 132,476,041.99/13,225.30
  6. Step 6: Final answer
    x = 10,016.86

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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.