Home / 26,147.90-39,199.98-12,117.98

Finding the Fourth Proportional to 26,147.90, 39,199.98 and 12,117.98

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Solution

The fourth proportional to 26,147.90, 39,199.98 and 12,117.98 is: 18,166.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,147.90 : 39,199.98 = 12,117.98 : x
  2. Step 2: Convert to fraction form
    26,147.90/39,199.98 = 12,117.98/x
  3. Step 3: Cross multiply
    26,147.90x = 39,199.98 × 12,117.98
  4. Step 4: Simplify right side
    26,147.90x = 475,024,377.64
  5. Step 5: Solve for x
    x = 475,024,377.64/26,147.90
  6. Step 6: Final answer
    x = 18,166.83

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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.