Home / 13,591.08-20,386.62-8,973

Finding the Fourth Proportional to 13,591.08, 20,386.62 and 8,973

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Solution

The fourth proportional to 13,591.08, 20,386.62 and 8,973 is: 13,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.08 : 20,386.62 = 8,973 : x
  2. Step 2: Convert to fraction form
    13,591.08/20,386.62 = 8,973/x
  3. Step 3: Cross multiply
    13,591.08x = 20,386.62 × 8,973
  4. Step 4: Simplify right side
    13,591.08x = 182,929,141.26
  5. Step 5: Solve for x
    x = 182,929,141.26/13,591.08
  6. Step 6: Final answer
    x = 13,459.50

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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.