Home / 14,202.38-21,306.30-6,411.20

Finding the Fourth Proportional to 14,202.38, 21,306.30 and 6,411.20

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Solution

The fourth proportional to 14,202.38, 21,306.30 and 6,411.20 is: 9,618.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202.38 : 21,306.30 = 6,411.20 : x
  2. Step 2: Convert to fraction form
    14,202.38/21,306.30 = 6,411.20/x
  3. Step 3: Cross multiply
    14,202.38x = 21,306.30 × 6,411.20
  4. Step 4: Simplify right side
    14,202.38x = 136,598,844.03
  5. Step 5: Solve for x
    x = 136,598,844.03/14,202.38
  6. Step 6: Final answer
    x = 9,618.03

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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.