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Finding the Fourth Proportional to 14,591.10, 21,886.44 and 9,899.46

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Solution

The fourth proportional to 14,591.10, 21,886.44 and 9,899.46 is: 14,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.10 : 21,886.44 = 9,899.46 : x
  2. Step 2: Convert to fraction form
    14,591.10/21,886.44 = 9,899.46/x
  3. Step 3: Cross multiply
    14,591.10x = 21,886.44 × 9,899.46
  4. Step 4: Simplify right side
    14,591.10x = 216,663,937.32
  5. Step 5: Solve for x
    x = 216,663,937.32/14,591.10
  6. Step 6: Final answer
    x = 14,849.05

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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.