Home / 16,921.45-23,351.30-9,367.61

Finding the Fourth Proportional to 16,921.45, 23,351.30 and 9,367.61

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Solution

The fourth proportional to 16,921.45, 23,351.30 and 9,367.61 is: 12,927.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.45 : 23,351.30 = 9,367.61 : x
  2. Step 2: Convert to fraction form
    16,921.45/23,351.30 = 9,367.61/x
  3. Step 3: Cross multiply
    16,921.45x = 23,351.30 × 9,367.61
  4. Step 4: Simplify right side
    16,921.45x = 218,745,953.19
  5. Step 5: Solve for x
    x = 218,745,953.19/16,921.45
  6. Step 6: Final answer
    x = 12,927.14

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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.