Home / 13,550.07-20,330.92-5,235.92

Finding the Fourth Proportional to 13,550.07, 20,330.92 and 5,235.92

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Solution

The fourth proportional to 13,550.07, 20,330.92 and 5,235.92 is: 7,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.07 : 20,330.92 = 5,235.92 : x
  2. Step 2: Convert to fraction form
    13,550.07/20,330.92 = 5,235.92/x
  3. Step 3: Cross multiply
    13,550.07x = 20,330.92 × 5,235.92
  4. Step 4: Simplify right side
    13,550.07x = 106,451,108.38
  5. Step 5: Solve for x
    x = 106,451,108.38/13,550.07
  6. Step 6: Final answer
    x = 7,856.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.