Home / 16,194.80-22,348.86-9,390.18

Finding the Fourth Proportional to 16,194.80, 22,348.86 and 9,390.18

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Solution

The fourth proportional to 16,194.80, 22,348.86 and 9,390.18 is: 12,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,194.80 : 22,348.86 = 9,390.18 : x
  2. Step 2: Convert to fraction form
    16,194.80/22,348.86 = 9,390.18/x
  3. Step 3: Cross multiply
    16,194.80x = 22,348.86 × 9,390.18
  4. Step 4: Simplify right side
    16,194.80x = 209,859,818.19
  5. Step 5: Solve for x
    x = 209,859,818.19/16,194.80
  6. Step 6: Final answer
    x = 12,958.47

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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.