Home / 15,977.89-22,049.60-8,808.06

Finding the Fourth Proportional to 15,977.89, 22,049.60 and 8,808.06

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Solution

The fourth proportional to 15,977.89, 22,049.60 and 8,808.06 is: 12,155.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.89 : 22,049.60 = 8,808.06 : x
  2. Step 2: Convert to fraction form
    15,977.89/22,049.60 = 8,808.06/x
  3. Step 3: Cross multiply
    15,977.89x = 22,049.60 × 8,808.06
  4. Step 4: Simplify right side
    15,977.89x = 194,214,149.97
  5. Step 5: Solve for x
    x = 194,214,149.97/15,977.89
  6. Step 6: Final answer
    x = 12,155.18

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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.