Home / 11,148.77-15,387.26-8,468.87

Finding the Fourth Proportional to 11,148.77, 15,387.26 and 8,468.87

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Solution

The fourth proportional to 11,148.77, 15,387.26 and 8,468.87 is: 11,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.77 : 15,387.26 = 8,468.87 : x
  2. Step 2: Convert to fraction form
    11,148.77/15,387.26 = 8,468.87/x
  3. Step 3: Cross multiply
    11,148.77x = 15,387.26 × 8,468.87
  4. Step 4: Simplify right side
    11,148.77x = 130,312,585.32
  5. Step 5: Solve for x
    x = 130,312,585.32/11,148.77
  6. Step 6: Final answer
    x = 11,688.52

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Double scale
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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.