Home / 16,905.86-23,330.49-9,352.70

Finding the Fourth Proportional to 16,905.86, 23,330.49 and 9,352.70

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Solution

The fourth proportional to 16,905.86, 23,330.49 and 9,352.70 is: 12,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.86 : 23,330.49 = 9,352.70 : x
  2. Step 2: Convert to fraction form
    16,905.86/23,330.49 = 9,352.70/x
  3. Step 3: Cross multiply
    16,905.86x = 23,330.49 × 9,352.70
  4. Step 4: Simplify right side
    16,905.86x = 218,203,073.82
  5. Step 5: Solve for x
    x = 218,203,073.82/16,905.86
  6. Step 6: Final answer
    x = 12,906.95

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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.