Home / 16,044.40-22,140.08-8,970.80

Finding the Fourth Proportional to 16,044.40, 22,140.08 and 8,970.80

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Solution

The fourth proportional to 16,044.40, 22,140.08 and 8,970.80 is: 12,379.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,044.40 : 22,140.08 = 8,970.80 : x
  2. Step 2: Convert to fraction form
    16,044.40/22,140.08 = 8,970.80/x
  3. Step 3: Cross multiply
    16,044.40x = 22,140.08 × 8,970.80
  4. Step 4: Simplify right side
    16,044.40x = 198,614,229.66
  5. Step 5: Solve for x
    x = 198,614,229.66/16,044.40
  6. Step 6: Final answer
    x = 12,379.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.