Home / 14,576.60-20,114.52-8,287.76

Finding the Fourth Proportional to 14,576.60, 20,114.52 and 8,287.76

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Solution

The fourth proportional to 14,576.60, 20,114.52 and 8,287.76 is: 11,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,576.60 : 20,114.52 = 8,287.76 : x
  2. Step 2: Convert to fraction form
    14,576.60/20,114.52 = 8,287.76/x
  3. Step 3: Cross multiply
    14,576.60x = 20,114.52 × 8,287.76
  4. Step 4: Simplify right side
    14,576.60x = 166,704,314.28
  5. Step 5: Solve for x
    x = 166,704,314.28/14,576.60
  6. Step 6: Final answer
    x = 11,436.43

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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.