Home / 16,440.64-22,686.92-9,270.80

Finding the Fourth Proportional to 16,440.64, 22,686.92 and 9,270.80

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Solution

The fourth proportional to 16,440.64, 22,686.92 and 9,270.80 is: 12,793.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,440.64 : 22,686.92 = 9,270.80 : x
  2. Step 2: Convert to fraction form
    16,440.64/22,686.92 = 9,270.80/x
  3. Step 3: Cross multiply
    16,440.64x = 22,686.92 × 9,270.80
  4. Step 4: Simplify right side
    16,440.64x = 210,325,897.94
  5. Step 5: Solve for x
    x = 210,325,897.94/16,440.64
  6. Step 6: Final answer
    x = 12,793.05

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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.