Home / 13,736.87-20,606.91-4,373.61

Finding the Fourth Proportional to 13,736.87, 20,606.91 and 4,373.61

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Solution

The fourth proportional to 13,736.87, 20,606.91 and 4,373.61 is: 6,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.87 : 20,606.91 = 4,373.61 : x
  2. Step 2: Convert to fraction form
    13,736.87/20,606.91 = 4,373.61/x
  3. Step 3: Cross multiply
    13,736.87x = 20,606.91 × 4,373.61
  4. Step 4: Simplify right side
    13,736.87x = 90,126,587.65
  5. Step 5: Solve for x
    x = 90,126,587.65/13,736.87
  6. Step 6: Final answer
    x = 6,560.93

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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.