Home / 14,217.34-21,321.38-4,727.11

Finding the Fourth Proportional to 14,217.34, 21,321.38 and 4,727.11

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Solution

The fourth proportional to 14,217.34, 21,321.38 and 4,727.11 is: 7,089.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.34 : 21,321.38 = 4,727.11 : x
  2. Step 2: Convert to fraction form
    14,217.34/21,321.38 = 4,727.11/x
  3. Step 3: Cross multiply
    14,217.34x = 21,321.38 × 4,727.11
  4. Step 4: Simplify right side
    14,217.34x = 100,788,508.61
  5. Step 5: Solve for x
    x = 100,788,508.61/14,217.34
  6. Step 6: Final answer
    x = 7,089.13

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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.