Home / 15,064.07-20,788.41-8,350.71

Finding the Fourth Proportional to 15,064.07, 20,788.41 and 8,350.71

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Solution

The fourth proportional to 15,064.07, 20,788.41 and 8,350.71 is: 11,523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,064.07 : 20,788.41 = 8,350.71 : x
  2. Step 2: Convert to fraction form
    15,064.07/20,788.41 = 8,350.71/x
  3. Step 3: Cross multiply
    15,064.07x = 20,788.41 × 8,350.71
  4. Step 4: Simplify right side
    15,064.07x = 173,597,983.27
  5. Step 5: Solve for x
    x = 173,597,983.27/15,064.07
  6. Step 6: Final answer
    x = 11,523.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.