Home / 12,537.28-17,294.58-7,991.52

Finding the Fourth Proportional to 12,537.28, 17,294.58 and 7,991.52

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Solution

The fourth proportional to 12,537.28, 17,294.58 and 7,991.52 is: 11,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.28 : 17,294.58 = 7,991.52 : x
  2. Step 2: Convert to fraction form
    12,537.28/17,294.58 = 7,991.52/x
  3. Step 3: Cross multiply
    12,537.28x = 17,294.58 × 7,991.52
  4. Step 4: Simplify right side
    12,537.28x = 138,209,981.96
  5. Step 5: Solve for x
    x = 138,209,981.96/12,537.28
  6. Step 6: Final answer
    x = 11,023.92

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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.