Home / 15,950.96-22,011.57-8,780.73

Finding the Fourth Proportional to 15,950.96, 22,011.57 and 8,780.73

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Solution

The fourth proportional to 15,950.96, 22,011.57 and 8,780.73 is: 12,116.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950.96 : 22,011.57 = 8,780.73 : x
  2. Step 2: Convert to fraction form
    15,950.96/22,011.57 = 8,780.73/x
  3. Step 3: Cross multiply
    15,950.96x = 22,011.57 × 8,780.73
  4. Step 4: Simplify right side
    15,950.96x = 193,277,629.32
  5. Step 5: Solve for x
    x = 193,277,629.32/15,950.96
  6. Step 6: Final answer
    x = 12,116.99

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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.