Home / 10,077.13-15,117.26-5,144.10

Finding the Fourth Proportional to 10,077.13, 15,117.26 and 5,144.10

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Solution

The fourth proportional to 10,077.13, 15,117.26 and 5,144.10 is: 7,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.13 : 15,117.26 = 5,144.10 : x
  2. Step 2: Convert to fraction form
    10,077.13/15,117.26 = 5,144.10/x
  3. Step 3: Cross multiply
    10,077.13x = 15,117.26 × 5,144.10
  4. Step 4: Simplify right side
    10,077.13x = 77,764,697.17
  5. Step 5: Solve for x
    x = 77,764,697.17/10,077.13
  6. Step 6: Final answer
    x = 7,716.95

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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.