Home / 25,144.11-37,658.75-12,005.70

Finding the Fourth Proportional to 25,144.11, 37,658.75 and 12,005.70

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Solution

The fourth proportional to 25,144.11, 37,658.75 and 12,005.70 is: 17,981.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,144.11 : 37,658.75 = 12,005.70 : x
  2. Step 2: Convert to fraction form
    25,144.11/37,658.75 = 12,005.70/x
  3. Step 3: Cross multiply
    25,144.11x = 37,658.75 × 12,005.70
  4. Step 4: Simplify right side
    25,144.11x = 452,119,594.85
  5. Step 5: Solve for x
    x = 452,119,594.85/25,144.11
  6. Step 6: Final answer
    x = 17,981.13

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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.