Home / 26,148.42-39,206.16-8,613.54

Finding the Fourth Proportional to 26,148.42, 39,206.16 and 8,613.54

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Solution

The fourth proportional to 26,148.42, 39,206.16 and 8,613.54 is: 12,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,148.42 : 39,206.16 = 8,613.54 : x
  2. Step 2: Convert to fraction form
    26,148.42/39,206.16 = 8,613.54/x
  3. Step 3: Cross multiply
    26,148.42x = 39,206.16 × 8,613.54
  4. Step 4: Simplify right side
    26,148.42x = 337,703,827.41
  5. Step 5: Solve for x
    x = 337,703,827.41/26,148.42
  6. Step 6: Final answer
    x = 12,914.88

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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.