Home / 12,601.04-18,902.10-4,281.80

Finding the Fourth Proportional to 12,601.04, 18,902.10 and 4,281.80

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Solution

The fourth proportional to 12,601.04, 18,902.10 and 4,281.80 is: 6,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.04 : 18,902.10 = 4,281.80 : x
  2. Step 2: Convert to fraction form
    12,601.04/18,902.10 = 4,281.80/x
  3. Step 3: Cross multiply
    12,601.04x = 18,902.10 × 4,281.80
  4. Step 4: Simplify right side
    12,601.04x = 80,935,011.78
  5. Step 5: Solve for x
    x = 80,935,011.78/12,601.04
  6. Step 6: Final answer
    x = 6,422.88

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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.