Home / 10,084.38-15,126.12-7,632.48

Finding the Fourth Proportional to 10,084.38, 15,126.12 and 7,632.48

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Solution

The fourth proportional to 10,084.38, 15,126.12 and 7,632.48 is: 11,448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.38 : 15,126.12 = 7,632.48 : x
  2. Step 2: Convert to fraction form
    10,084.38/15,126.12 = 7,632.48/x
  3. Step 3: Cross multiply
    10,084.38x = 15,126.12 × 7,632.48
  4. Step 4: Simplify right side
    10,084.38x = 115,449,808.38
  5. Step 5: Solve for x
    x = 115,449,808.38/10,084.38
  6. Step 6: Final answer
    x = 11,448.38

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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.