Home / 16,659.06-22,990.86-9,587.76

Finding the Fourth Proportional to 16,659.06, 22,990.86 and 9,587.76

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Solution

The fourth proportional to 16,659.06, 22,990.86 and 9,587.76 is: 13,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,659.06 : 22,990.86 = 9,587.76 : x
  2. Step 2: Convert to fraction form
    16,659.06/22,990.86 = 9,587.76/x
  3. Step 3: Cross multiply
    16,659.06x = 22,990.86 × 9,587.76
  4. Step 4: Simplify right side
    16,659.06x = 220,430,847.87
  5. Step 5: Solve for x
    x = 220,430,847.87/16,659.06
  6. Step 6: Final answer
    x = 13,231.89

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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.