Home / 14,575.55-20,114.33-8,287.92

Finding the Fourth Proportional to 14,575.55, 20,114.33 and 8,287.92

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Solution

The fourth proportional to 14,575.55, 20,114.33 and 8,287.92 is: 11,437.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.55 : 20,114.33 = 8,287.92 : x
  2. Step 2: Convert to fraction form
    14,575.55/20,114.33 = 8,287.92/x
  3. Step 3: Cross multiply
    14,575.55x = 20,114.33 × 8,287.92
  4. Step 4: Simplify right side
    14,575.55x = 166,705,916.45
  5. Step 5: Solve for x
    x = 166,705,916.45/14,575.55
  6. Step 6: Final answer
    x = 11,437.37

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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.