Home / 16,234.47-22,403.12-9,161.55

Finding the Fourth Proportional to 16,234.47, 22,403.12 and 9,161.55

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Solution

The fourth proportional to 16,234.47, 22,403.12 and 9,161.55 is: 12,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,234.47 : 22,403.12 = 9,161.55 : x
  2. Step 2: Convert to fraction form
    16,234.47/22,403.12 = 9,161.55/x
  3. Step 3: Cross multiply
    16,234.47x = 22,403.12 × 9,161.55
  4. Step 4: Simplify right side
    16,234.47x = 205,247,258.23
  5. Step 5: Solve for x
    x = 205,247,258.23/16,234.47
  6. Step 6: Final answer
    x = 12,642.68

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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.