Home / 12,747.84-17,572.32-10,385.88

Finding the Fourth Proportional to 12,747.84, 17,572.32 and 10,385.88

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Solution

The fourth proportional to 12,747.84, 17,572.32 and 10,385.88 is: 14,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.84 : 17,572.32 = 10,385.88 : x
  2. Step 2: Convert to fraction form
    12,747.84/17,572.32 = 10,385.88/x
  3. Step 3: Cross multiply
    12,747.84x = 17,572.32 × 10,385.88
  4. Step 4: Simplify right side
    12,747.84x = 182,504,006.84
  5. Step 5: Solve for x
    x = 182,504,006.84/12,747.84
  6. Step 6: Final answer
    x = 14,316.47

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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.