Home / 10,098.13-15,123.68-9,747.81

Finding the Fourth Proportional to 10,098.13, 15,123.68 and 9,747.81

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Solution

The fourth proportional to 10,098.13, 15,123.68 and 9,747.81 is: 14,599.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.13 : 15,123.68 = 9,747.81 : x
  2. Step 2: Convert to fraction form
    10,098.13/15,123.68 = 9,747.81/x
  3. Step 3: Cross multiply
    10,098.13x = 15,123.68 × 9,747.81
  4. Step 4: Simplify right side
    10,098.13x = 147,422,683.52
  5. Step 5: Solve for x
    x = 147,422,683.52/10,098.13
  6. Step 6: Final answer
    x = 14,599.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.