Home / 10,079.60-15,119.43-3,059.67

Finding the Fourth Proportional to 10,079.60, 15,119.43 and 3,059.67

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Solution

The fourth proportional to 10,079.60, 15,119.43 and 3,059.67 is: 4,589.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.60 : 15,119.43 = 3,059.67 : x
  2. Step 2: Convert to fraction form
    10,079.60/15,119.43 = 3,059.67/x
  3. Step 3: Cross multiply
    10,079.60x = 15,119.43 × 3,059.67
  4. Step 4: Simplify right side
    10,079.60x = 46,260,466.39
  5. Step 5: Solve for x
    x = 46,260,466.39/10,079.60
  6. Step 6: Final answer
    x = 4,589.51

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Half scale
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Double 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.