Home / 10,626.10-15,939.15-2,835.70

Finding the Fourth Proportional to 10,626.10, 15,939.15 and 2,835.70

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Solution

The fourth proportional to 10,626.10, 15,939.15 and 2,835.70 is: 4,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.10 : 15,939.15 = 2,835.70 : x
  2. Step 2: Convert to fraction form
    10,626.10/15,939.15 = 2,835.70/x
  3. Step 3: Cross multiply
    10,626.10x = 15,939.15 × 2,835.70
  4. Step 4: Simplify right side
    10,626.10x = 45,198,647.66
  5. Step 5: Solve for x
    x = 45,198,647.66/10,626.10
  6. Step 6: Final answer
    x = 4,253.55

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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.