Home / 16,118.16-22,243.20-9,044.40

Finding the Fourth Proportional to 16,118.16, 22,243.20 and 9,044.40

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Solution

The fourth proportional to 16,118.16, 22,243.20 and 9,044.40 is: 12,481.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,118.16 : 22,243.20 = 9,044.40 : x
  2. Step 2: Convert to fraction form
    16,118.16/22,243.20 = 9,044.40/x
  3. Step 3: Cross multiply
    16,118.16x = 22,243.20 × 9,044.40
  4. Step 4: Simplify right side
    16,118.16x = 201,176,398.08
  5. Step 5: Solve for x
    x = 201,176,398.08/16,118.16
  6. Step 6: Final answer
    x = 12,481.35

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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.