Home / 16,245.49-22,417.52-9,172.61

Finding the Fourth Proportional to 16,245.49, 22,417.52 and 9,172.61

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Solution

The fourth proportional to 16,245.49, 22,417.52 and 9,172.61 is: 12,657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,245.49 : 22,417.52 = 9,172.61 : x
  2. Step 2: Convert to fraction form
    16,245.49/22,417.52 = 9,172.61/x
  3. Step 3: Cross multiply
    16,245.49x = 22,417.52 × 9,172.61
  4. Step 4: Simplify right side
    16,245.49x = 205,627,168.13
  5. Step 5: Solve for x
    x = 205,627,168.13/16,245.49
  6. Step 6: Final answer
    x = 12,657.49

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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.