Home / 13,471.92-18,599.76-9,928.96

Finding the Fourth Proportional to 13,471.92, 18,599.76 and 9,928.96

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Solution

The fourth proportional to 13,471.92, 18,599.76 and 9,928.96 is: 13,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.92 : 18,599.76 = 9,928.96 : x
  2. Step 2: Convert to fraction form
    13,471.92/18,599.76 = 9,928.96/x
  3. Step 3: Cross multiply
    13,471.92x = 18,599.76 × 9,928.96
  4. Step 4: Simplify right side
    13,471.92x = 184,676,273.05
  5. Step 5: Solve for x
    x = 184,676,273.05/13,471.92
  6. Step 6: Final answer
    x = 13,708.24

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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.