Home / 10,127.39-13,985.45-9,575.16

Finding the Fourth Proportional to 10,127.39, 13,985.45 and 9,575.16

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Solution

The fourth proportional to 10,127.39, 13,985.45 and 9,575.16 is: 13,222.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.39 : 13,985.45 = 9,575.16 : x
  2. Step 2: Convert to fraction form
    10,127.39/13,985.45 = 9,575.16/x
  3. Step 3: Cross multiply
    10,127.39x = 13,985.45 × 9,575.16
  4. Step 4: Simplify right side
    10,127.39x = 133,912,873.55
  5. Step 5: Solve for x
    x = 133,912,873.55/10,127.39
  6. Step 6: Final answer
    x = 13,222.85

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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.