Home / 15,946.27-22,003.85-9,231.77

Finding the Fourth Proportional to 15,946.27, 22,003.85 and 9,231.77

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Solution

The fourth proportional to 15,946.27, 22,003.85 and 9,231.77 is: 12,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.27 : 22,003.85 = 9,231.77 : x
  2. Step 2: Convert to fraction form
    15,946.27/22,003.85 = 9,231.77/x
  3. Step 3: Cross multiply
    15,946.27x = 22,003.85 × 9,231.77
  4. Step 4: Simplify right side
    15,946.27x = 203,134,560.40
  5. Step 5: Solve for x
    x = 203,134,560.40/15,946.27
  6. Step 6: Final answer
    x = 12,738.69

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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.