Home / 17,920.37-24,728.76-9,961.92

Finding the Fourth Proportional to 17,920.37, 24,728.76 and 9,961.92

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Solution

The fourth proportional to 17,920.37, 24,728.76 and 9,961.92 is: 13,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.37 : 24,728.76 = 9,961.92 : x
  2. Step 2: Convert to fraction form
    17,920.37/24,728.76 = 9,961.92/x
  3. Step 3: Cross multiply
    17,920.37x = 24,728.76 × 9,961.92
  4. Step 4: Simplify right side
    17,920.37x = 246,345,928.82
  5. Step 5: Solve for x
    x = 246,345,928.82/17,920.37
  6. Step 6: Final answer
    x = 13,746.70

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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.