Home / 15,666.85-23,444.13-13,565.72

Finding the Fourth Proportional to 15,666.85, 23,444.13 and 13,565.72

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Solution

The fourth proportional to 15,666.85, 23,444.13 and 13,565.72 is: 20,299.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666.85 : 23,444.13 = 13,565.72 : x
  2. Step 2: Convert to fraction form
    15,666.85/23,444.13 = 13,565.72/x
  3. Step 3: Cross multiply
    15,666.85x = 23,444.13 × 13,565.72
  4. Step 4: Simplify right side
    15,666.85x = 318,036,612.71
  5. Step 5: Solve for x
    x = 318,036,612.71/15,666.85
  6. Step 6: Final answer
    x = 20,299.97

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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.