Home / 14,534.70-21,753.45-12,785.10

Finding the Fourth Proportional to 14,534.70, 21,753.45 and 12,785.10

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Solution

The fourth proportional to 14,534.70, 21,753.45 and 12,785.10 is: 19,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,534.70 : 21,753.45 = 12,785.10 : x
  2. Step 2: Convert to fraction form
    14,534.70/21,753.45 = 12,785.10/x
  3. Step 3: Cross multiply
    14,534.70x = 21,753.45 × 12,785.10
  4. Step 4: Simplify right side
    14,534.70x = 278,120,033.60
  5. Step 5: Solve for x
    x = 278,120,033.60/14,534.70
  6. Step 6: Final answer
    x = 19,134.90

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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.