Home / 15,230.28-21,004.14-9,565.56

Finding the Fourth Proportional to 15,230.28, 21,004.14 and 9,565.56

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Solution

The fourth proportional to 15,230.28, 21,004.14 and 9,565.56 is: 13,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230.28 : 21,004.14 = 9,565.56 : x
  2. Step 2: Convert to fraction form
    15,230.28/21,004.14 = 9,565.56/x
  3. Step 3: Cross multiply
    15,230.28x = 21,004.14 × 9,565.56
  4. Step 4: Simplify right side
    15,230.28x = 200,916,361.42
  5. Step 5: Solve for x
    x = 200,916,361.42/15,230.28
  6. Step 6: Final answer
    x = 13,191.90

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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.