Home / 15,787.64-23,677.76-6,425.12

Finding the Fourth Proportional to 15,787.64, 23,677.76 and 6,425.12

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Solution

The fourth proportional to 15,787.64, 23,677.76 and 6,425.12 is: 9,636.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.64 : 23,677.76 = 6,425.12 : x
  2. Step 2: Convert to fraction form
    15,787.64/23,677.76 = 6,425.12/x
  3. Step 3: Cross multiply
    15,787.64x = 23,677.76 × 6,425.12
  4. Step 4: Simplify right side
    15,787.64x = 152,132,449.33
  5. Step 5: Solve for x
    x = 152,132,449.33/15,787.64
  6. Step 6: Final answer
    x = 9,636.17

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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.