Home / 15,677.85-23,494.77-8,661.15

Finding the Fourth Proportional to 15,677.85, 23,494.77 and 8,661.15

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Solution

The fourth proportional to 15,677.85, 23,494.77 and 8,661.15 is: 12,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677.85 : 23,494.77 = 8,661.15 : x
  2. Step 2: Convert to fraction form
    15,677.85/23,494.77 = 8,661.15/x
  3. Step 3: Cross multiply
    15,677.85x = 23,494.77 × 8,661.15
  4. Step 4: Simplify right side
    15,677.85x = 203,491,727.19
  5. Step 5: Solve for x
    x = 203,491,727.19/15,677.85
  6. Step 6: Final answer
    x = 12,979.57

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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.