Home / 10,974.04-15,144.43-6,258.76

Finding the Fourth Proportional to 10,974.04, 15,144.43 and 6,258.76

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Solution

The fourth proportional to 10,974.04, 15,144.43 and 6,258.76 is: 8,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974.04 : 15,144.43 = 6,258.76 : x
  2. Step 2: Convert to fraction form
    10,974.04/15,144.43 = 6,258.76/x
  3. Step 3: Cross multiply
    10,974.04x = 15,144.43 × 6,258.76
  4. Step 4: Simplify right side
    10,974.04x = 94,785,352.71
  5. Step 5: Solve for x
    x = 94,785,352.71/10,974.04
  6. Step 6: Final answer
    x = 8,637.23

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Half scale
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Double scale
Find fourth proportional to 10,975.04, 15,145.81 and 6,259.76
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.