Home / 26,099.66-39,149.49-6,378.19

Finding the Fourth Proportional to 26,099.66, 39,149.49 and 6,378.19

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Solution

The fourth proportional to 26,099.66, 39,149.49 and 6,378.19 is: 9,567.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,099.66 : 39,149.49 = 6,378.19 : x
  2. Step 2: Convert to fraction form
    26,099.66/39,149.49 = 6,378.19/x
  3. Step 3: Cross multiply
    26,099.66x = 39,149.49 × 6,378.19
  4. Step 4: Simplify right side
    26,099.66x = 249,702,885.62
  5. Step 5: Solve for x
    x = 249,702,885.62/26,099.66
  6. Step 6: Final answer
    x = 9,567.29

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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.