Home / 16,660.16-22,990.38-9,106.43

Finding the Fourth Proportional to 16,660.16, 22,990.38 and 9,106.43

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Solution

The fourth proportional to 16,660.16, 22,990.38 and 9,106.43 is: 12,566.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.16 : 22,990.38 = 9,106.43 : x
  2. Step 2: Convert to fraction form
    16,660.16/22,990.38 = 9,106.43/x
  3. Step 3: Cross multiply
    16,660.16x = 22,990.38 × 9,106.43
  4. Step 4: Simplify right side
    16,660.16x = 209,360,171.19
  5. Step 5: Solve for x
    x = 209,360,171.19/16,660.16
  6. Step 6: Final answer
    x = 12,566.52

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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.