Home / 10,081.39-15,125.55-4,538.62

Finding the Fourth Proportional to 10,081.39, 15,125.55 and 4,538.62

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Solution

The fourth proportional to 10,081.39, 15,125.55 and 4,538.62 is: 6,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.39 : 15,125.55 = 4,538.62 : x
  2. Step 2: Convert to fraction form
    10,081.39/15,125.55 = 4,538.62/x
  3. Step 3: Cross multiply
    10,081.39x = 15,125.55 × 4,538.62
  4. Step 4: Simplify right side
    10,081.39x = 68,649,123.74
  5. Step 5: Solve for x
    x = 68,649,123.74/10,081.39
  6. Step 6: Final answer
    x = 6,809.49

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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.