Home / 14,221.57-21,331.56-4,360.83

Finding the Fourth Proportional to 14,221.57, 21,331.56 and 4,360.83

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Solution

The fourth proportional to 14,221.57, 21,331.56 and 4,360.83 is: 6,540.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.57 : 21,331.56 = 4,360.83 : x
  2. Step 2: Convert to fraction form
    14,221.57/21,331.56 = 4,360.83/x
  3. Step 3: Cross multiply
    14,221.57x = 21,331.56 × 4,360.83
  4. Step 4: Simplify right side
    14,221.57x = 93,023,200.14
  5. Step 5: Solve for x
    x = 93,023,200.14/14,221.57
  6. Step 6: Final answer
    x = 6,540.99

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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.