Home / 14,002.98-21,000.39-11,531.70

Finding the Fourth Proportional to 14,002.98, 21,000.39 and 11,531.70

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Solution

The fourth proportional to 14,002.98, 21,000.39 and 11,531.70 is: 17,294.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.98 : 21,000.39 = 11,531.70 : x
  2. Step 2: Convert to fraction form
    14,002.98/21,000.39 = 11,531.70/x
  3. Step 3: Cross multiply
    14,002.98x = 21,000.39 × 11,531.70
  4. Step 4: Simplify right side
    14,002.98x = 242,170,197.36
  5. Step 5: Solve for x
    x = 242,170,197.36/14,002.98
  6. Step 6: Final answer
    x = 17,294.19

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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.