Home / 14,253.40-21,380.10-14,034.70

Finding the Fourth Proportional to 14,253.40, 21,380.10 and 14,034.70

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Solution

The fourth proportional to 14,253.40, 21,380.10 and 14,034.70 is: 21,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.40 : 21,380.10 = 14,034.70 : x
  2. Step 2: Convert to fraction form
    14,253.40/21,380.10 = 14,034.70/x
  3. Step 3: Cross multiply
    14,253.40x = 21,380.10 × 14,034.70
  4. Step 4: Simplify right side
    14,253.40x = 300,063,289.47
  5. Step 5: Solve for x
    x = 300,063,289.47/14,253.40
  6. Step 6: Final answer
    x = 21,052.05

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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.