Home / 14,218.53-21,331.90-4,359.27

Finding the Fourth Proportional to 14,218.53, 21,331.90 and 4,359.27

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Solution

The fourth proportional to 14,218.53, 21,331.90 and 4,359.27 is: 6,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.53 : 21,331.90 = 4,359.27 : x
  2. Step 2: Convert to fraction form
    14,218.53/21,331.90 = 4,359.27/x
  3. Step 3: Cross multiply
    14,218.53x = 21,331.90 × 4,359.27
  4. Step 4: Simplify right side
    14,218.53x = 92,991,394.16
  5. Step 5: Solve for x
    x = 92,991,394.16/14,218.53
  6. Step 6: Final answer
    x = 6,540.15

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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.