Home / 16,920.44-23,350.26-9,159.25

Finding the Fourth Proportional to 16,920.44, 23,350.26 and 9,159.25

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Solution

The fourth proportional to 16,920.44, 23,350.26 and 9,159.25 is: 12,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.44 : 23,350.26 = 9,159.25 : x
  2. Step 2: Convert to fraction form
    16,920.44/23,350.26 = 9,159.25/x
  3. Step 3: Cross multiply
    16,920.44x = 23,350.26 × 9,159.25
  4. Step 4: Simplify right side
    16,920.44x = 213,870,868.91
  5. Step 5: Solve for x
    x = 213,870,868.91/16,920.44
  6. Step 6: Final answer
    x = 12,639.79

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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.