Home / 14,140.30-21,222.60-6,254.95

Finding the Fourth Proportional to 14,140.30, 21,222.60 and 6,254.95

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Solution

The fourth proportional to 14,140.30, 21,222.60 and 6,254.95 is: 9,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.30 : 21,222.60 = 6,254.95 : x
  2. Step 2: Convert to fraction form
    14,140.30/21,222.60 = 6,254.95/x
  3. Step 3: Cross multiply
    14,140.30x = 21,222.60 × 6,254.95
  4. Step 4: Simplify right side
    14,140.30x = 132,746,301.87
  5. Step 5: Solve for x
    x = 132,746,301.87/14,140.30
  6. Step 6: Final answer
    x = 9,387.80

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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.