Home / 14,091.29-21,140.17-4,230.75

Finding the Fourth Proportional to 14,091.29, 21,140.17 and 4,230.75

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Solution

The fourth proportional to 14,091.29, 21,140.17 and 4,230.75 is: 6,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.29 : 21,140.17 = 4,230.75 : x
  2. Step 2: Convert to fraction form
    14,091.29/21,140.17 = 4,230.75/x
  3. Step 3: Cross multiply
    14,091.29x = 21,140.17 × 4,230.75
  4. Step 4: Simplify right side
    14,091.29x = 89,438,753.07
  5. Step 5: Solve for x
    x = 89,438,753.07/14,091.29
  6. Step 6: Final answer
    x = 6,347.10

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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.