Home / 10,077.66-15,115.68-6,369.08

Finding the Fourth Proportional to 10,077.66, 15,115.68 and 6,369.08

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Solution

The fourth proportional to 10,077.66, 15,115.68 and 6,369.08 is: 9,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.66 : 15,115.68 = 6,369.08 : x
  2. Step 2: Convert to fraction form
    10,077.66/15,115.68 = 6,369.08/x
  3. Step 3: Cross multiply
    10,077.66x = 15,115.68 × 6,369.08
  4. Step 4: Simplify right side
    10,077.66x = 96,272,899.60
  5. Step 5: Solve for x
    x = 96,272,899.60/10,077.66
  6. Step 6: Final answer
    x = 9,553.10

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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.