Home / 15,787.52-23,623.68-13,002.24

Finding the Fourth Proportional to 15,787.52, 23,623.68 and 13,002.24

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Solution

The fourth proportional to 15,787.52, 23,623.68 and 13,002.24 is: 19,455.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.52 : 23,623.68 = 13,002.24 : x
  2. Step 2: Convert to fraction form
    15,787.52/23,623.68 = 13,002.24/x
  3. Step 3: Cross multiply
    15,787.52x = 23,623.68 × 13,002.24
  4. Step 4: Simplify right side
    15,787.52x = 307,160,757.04
  5. Step 5: Solve for x
    x = 307,160,757.04/15,787.52
  6. Step 6: Final answer
    x = 19,455.92

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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.