Home / 10,126.81-15,201.15-8,501.14

Finding the Fourth Proportional to 10,126.81, 15,201.15 and 8,501.14

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Solution

The fourth proportional to 10,126.81, 15,201.15 and 8,501.14 is: 12,760.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.81 : 15,201.15 = 8,501.14 : x
  2. Step 2: Convert to fraction form
    10,126.81/15,201.15 = 8,501.14/x
  3. Step 3: Cross multiply
    10,126.81x = 15,201.15 × 8,501.14
  4. Step 4: Simplify right side
    10,126.81x = 129,227,104.31
  5. Step 5: Solve for x
    x = 129,227,104.31/10,126.81
  6. Step 6: Final answer
    x = 12,760.89

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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.