Home / 10,979.52-15,151.72-6,265.32

Finding the Fourth Proportional to 10,979.52, 15,151.72 and 6,265.32

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Solution

The fourth proportional to 10,979.52, 15,151.72 and 6,265.32 is: 8,646.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979.52 : 15,151.72 = 6,265.32 : x
  2. Step 2: Convert to fraction form
    10,979.52/15,151.72 = 6,265.32/x
  3. Step 3: Cross multiply
    10,979.52x = 15,151.72 × 6,265.32
  4. Step 4: Simplify right side
    10,979.52x = 94,930,374.35
  5. Step 5: Solve for x
    x = 94,930,374.35/10,979.52
  6. Step 6: Final answer
    x = 8,646.13

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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.