Home / 14,002.40-21,008.08-4,141.76

Finding the Fourth Proportional to 14,002.40, 21,008.08 and 4,141.76

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Solution

The fourth proportional to 14,002.40, 21,008.08 and 4,141.76 is: 6,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.40 : 21,008.08 = 4,141.76 : x
  2. Step 2: Convert to fraction form
    14,002.40/21,008.08 = 4,141.76/x
  3. Step 3: Cross multiply
    14,002.40x = 21,008.08 × 4,141.76
  4. Step 4: Simplify right side
    14,002.40x = 87,010,425.42
  5. Step 5: Solve for x
    x = 87,010,425.42/14,002.40
  6. Step 6: Final answer
    x = 6,213.97

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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.