Home / 16,942.45-23,378.66-9,386.88

Finding the Fourth Proportional to 16,942.45, 23,378.66 and 9,386.88

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Solution

The fourth proportional to 16,942.45, 23,378.66 and 9,386.88 is: 12,952.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,942.45 : 23,378.66 = 9,386.88 : x
  2. Step 2: Convert to fraction form
    16,942.45/23,378.66 = 9,386.88/x
  3. Step 3: Cross multiply
    16,942.45x = 23,378.66 × 9,386.88
  4. Step 4: Simplify right side
    16,942.45x = 219,452,512.15
  5. Step 5: Solve for x
    x = 219,452,512.15/16,942.45
  6. Step 6: Final answer
    x = 12,952.82

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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.