Home / 25,340.10-38,010.15-12,193.80

Finding the Fourth Proportional to 25,340.10, 38,010.15 and 12,193.80

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Solution

The fourth proportional to 25,340.10, 38,010.15 and 12,193.80 is: 18,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,340.10 : 38,010.15 = 12,193.80 : x
  2. Step 2: Convert to fraction form
    25,340.10/38,010.15 = 12,193.80/x
  3. Step 3: Cross multiply
    25,340.10x = 38,010.15 × 12,193.80
  4. Step 4: Simplify right side
    25,340.10x = 463,488,167.07
  5. Step 5: Solve for x
    x = 463,488,167.07/25,340.10
  6. Step 6: Final answer
    x = 18,290.70

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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.