Home / 10,963.35-15,129.27-6,247.71

Finding the Fourth Proportional to 10,963.35, 15,129.27 and 6,247.71

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Solution

The fourth proportional to 10,963.35, 15,129.27 and 6,247.71 is: 8,621.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.35 : 15,129.27 = 6,247.71 : x
  2. Step 2: Convert to fraction form
    10,963.35/15,129.27 = 6,247.71/x
  3. Step 3: Cross multiply
    10,963.35x = 15,129.27 × 6,247.71
  4. Step 4: Simplify right side
    10,963.35x = 94,523,291.47
  5. Step 5: Solve for x
    x = 94,523,291.47/10,963.35
  6. Step 6: Final answer
    x = 8,621.75

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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.