Home / 14,990.67-22,456.85-9,780.75

Finding the Fourth Proportional to 14,990.67, 22,456.85 and 9,780.75

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Solution

The fourth proportional to 14,990.67, 22,456.85 and 9,780.75 is: 14,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990.67 : 22,456.85 = 9,780.75 : x
  2. Step 2: Convert to fraction form
    14,990.67/22,456.85 = 9,780.75/x
  3. Step 3: Cross multiply
    14,990.67x = 22,456.85 × 9,780.75
  4. Step 4: Simplify right side
    14,990.67x = 219,644,786.73
  5. Step 5: Solve for x
    x = 219,644,786.73/14,990.67
  6. Step 6: Final answer
    x = 14,652.10

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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.