Home / 10,962.28-15,126.78-6,486.22

Finding the Fourth Proportional to 10,962.28, 15,126.78 and 6,486.22

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Solution

The fourth proportional to 10,962.28, 15,126.78 and 6,486.22 is: 8,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.28 : 15,126.78 = 6,486.22 : x
  2. Step 2: Convert to fraction form
    10,962.28/15,126.78 = 6,486.22/x
  3. Step 3: Cross multiply
    10,962.28x = 15,126.78 × 6,486.22
  4. Step 4: Simplify right side
    10,962.28x = 98,115,622.97
  5. Step 5: Solve for x
    x = 98,115,622.97/10,962.28
  6. Step 6: Final answer
    x = 8,950.29

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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.