Home / 14,204.28-21,306.62-5,439.64

Finding the Fourth Proportional to 14,204.28, 21,306.62 and 5,439.64

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Solution

The fourth proportional to 14,204.28, 21,306.62 and 5,439.64 is: 8,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,204.28 : 21,306.62 = 5,439.64 : x
  2. Step 2: Convert to fraction form
    14,204.28/21,306.62 = 5,439.64/x
  3. Step 3: Cross multiply
    14,204.28x = 21,306.62 × 5,439.64
  4. Step 4: Simplify right side
    14,204.28x = 115,900,342.42
  5. Step 5: Solve for x
    x = 115,900,342.42/14,204.28
  6. Step 6: Final answer
    x = 8,159.54

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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.