Home / 14,780.80-22,176.60-6,983.76

Finding the Fourth Proportional to 14,780.80, 22,176.60 and 6,983.76

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Solution

The fourth proportional to 14,780.80, 22,176.60 and 6,983.76 is: 10,478.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,780.80 : 22,176.60 = 6,983.76 : x
  2. Step 2: Convert to fraction form
    14,780.80/22,176.60 = 6,983.76/x
  3. Step 3: Cross multiply
    14,780.80x = 22,176.60 × 6,983.76
  4. Step 4: Simplify right side
    14,780.80x = 154,876,052.02
  5. Step 5: Solve for x
    x = 154,876,052.02/14,780.80
  6. Step 6: Final answer
    x = 10,478.19

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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.