Home / 10,639.26-15,958.89-3,715.74

Finding the Fourth Proportional to 10,639.26, 15,958.89 and 3,715.74

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Solution

The fourth proportional to 10,639.26, 15,958.89 and 3,715.74 is: 5,573.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.26 : 15,958.89 = 3,715.74 : x
  2. Step 2: Convert to fraction form
    10,639.26/15,958.89 = 3,715.74/x
  3. Step 3: Cross multiply
    10,639.26x = 15,958.89 × 3,715.74
  4. Step 4: Simplify right side
    10,639.26x = 59,299,085.93
  5. Step 5: Solve for x
    x = 59,299,085.93/10,639.26
  6. Step 6: Final answer
    x = 5,573.61

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Similar ratio
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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.