Home / 11,530.20-17,295.31-8,901.55

Finding the Fourth Proportional to 11,530.20, 17,295.31 and 8,901.55

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Solution

The fourth proportional to 11,530.20, 17,295.31 and 8,901.55 is: 13,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.20 : 17,295.31 = 8,901.55 : x
  2. Step 2: Convert to fraction form
    11,530.20/17,295.31 = 8,901.55/x
  3. Step 3: Cross multiply
    11,530.20x = 17,295.31 × 8,901.55
  4. Step 4: Simplify right side
    11,530.20x = 153,954,935.75
  5. Step 5: Solve for x
    x = 153,954,935.75/11,530.20
  6. Step 6: Final answer
    x = 13,352.32

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Double scale
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Similar ratio
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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.