Home / 16,969.77-25,470.27-8,655.75

Finding the Fourth Proportional to 16,969.77, 25,470.27 and 8,655.75

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Solution

The fourth proportional to 16,969.77, 25,470.27 and 8,655.75 is: 12,991.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.77 : 25,470.27 = 8,655.75 : x
  2. Step 2: Convert to fraction form
    16,969.77/25,470.27 = 8,655.75/x
  3. Step 3: Cross multiply
    16,969.77x = 25,470.27 × 8,655.75
  4. Step 4: Simplify right side
    16,969.77x = 220,464,289.55
  5. Step 5: Solve for x
    x = 220,464,289.55/16,969.77
  6. Step 6: Final answer
    x = 12,991.59

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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.