Home / 10,127.30-15,167.46-9,776.89

Finding the Fourth Proportional to 10,127.30, 15,167.46 and 9,776.89

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Solution

The fourth proportional to 10,127.30, 15,167.46 and 9,776.89 is: 14,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.30 : 15,167.46 = 9,776.89 : x
  2. Step 2: Convert to fraction form
    10,127.30/15,167.46 = 9,776.89/x
  3. Step 3: Cross multiply
    10,127.30x = 15,167.46 × 9,776.89
  4. Step 4: Simplify right side
    10,127.30x = 148,290,512.16
  5. Step 5: Solve for x
    x = 148,290,512.16/10,127.30
  6. Step 6: Final answer
    x = 14,642.65

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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.