Home / 15,887.64-23,815.96-7,565.42

Finding the Fourth Proportional to 15,887.64, 23,815.96 and 7,565.42

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Solution

The fourth proportional to 15,887.64, 23,815.96 and 7,565.42 is: 11,340.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,887.64 : 23,815.96 = 7,565.42 : x
  2. Step 2: Convert to fraction form
    15,887.64/23,815.96 = 7,565.42/x
  3. Step 3: Cross multiply
    15,887.64x = 23,815.96 × 7,565.42
  4. Step 4: Simplify right side
    15,887.64x = 180,177,740.10
  5. Step 5: Solve for x
    x = 180,177,740.10/15,887.64
  6. Step 6: Final answer
    x = 11,340.75

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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.