Home / 10,086.93-15,132.03-4,245.21

Finding the Fourth Proportional to 10,086.93, 15,132.03 and 4,245.21

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Solution

The fourth proportional to 10,086.93, 15,132.03 and 4,245.21 is: 6,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086.93 : 15,132.03 = 4,245.21 : x
  2. Step 2: Convert to fraction form
    10,086.93/15,132.03 = 4,245.21/x
  3. Step 3: Cross multiply
    10,086.93x = 15,132.03 × 4,245.21
  4. Step 4: Simplify right side
    10,086.93x = 64,238,645.08
  5. Step 5: Solve for x
    x = 64,238,645.08/10,086.93
  6. Step 6: Final answer
    x = 6,368.50

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Half scale
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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.