Home / 17,378.61-26,067.87-12,207.57

Finding the Fourth Proportional to 17,378.61, 26,067.87 and 12,207.57

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Solution

The fourth proportional to 17,378.61, 26,067.87 and 12,207.57 is: 18,311.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.61 : 26,067.87 = 12,207.57 : x
  2. Step 2: Convert to fraction form
    17,378.61/26,067.87 = 12,207.57/x
  3. Step 3: Cross multiply
    17,378.61x = 26,067.87 × 12,207.57
  4. Step 4: Simplify right side
    17,378.61x = 318,225,347.78
  5. Step 5: Solve for x
    x = 318,225,347.78/17,378.61
  6. Step 6: Final answer
    x = 18,311.32

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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.