Home / 15,536.80-21,432.36-9,247.96

Finding the Fourth Proportional to 15,536.80, 21,432.36 and 9,247.96

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Solution

The fourth proportional to 15,536.80, 21,432.36 and 9,247.96 is: 12,757.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.80 : 21,432.36 = 9,247.96 : x
  2. Step 2: Convert to fraction form
    15,536.80/21,432.36 = 9,247.96/x
  3. Step 3: Cross multiply
    15,536.80x = 21,432.36 × 9,247.96
  4. Step 4: Simplify right side
    15,536.80x = 198,205,607.99
  5. Step 5: Solve for x
    x = 198,205,607.99/15,536.80
  6. Step 6: Final answer
    x = 12,757.17

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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.