Home / 11,260.46-16,901.63-8,160.39

Finding the Fourth Proportional to 11,260.46, 16,901.63 and 8,160.39

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Solution

The fourth proportional to 11,260.46, 16,901.63 and 8,160.39 is: 12,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,260.46 : 16,901.63 = 8,160.39 : x
  2. Step 2: Convert to fraction form
    11,260.46/16,901.63 = 8,160.39/x
  3. Step 3: Cross multiply
    11,260.46x = 16,901.63 × 8,160.39
  4. Step 4: Simplify right side
    11,260.46x = 137,923,851.63
  5. Step 5: Solve for x
    x = 137,923,851.63/11,260.46
  6. Step 6: Final answer
    x = 12,248.51

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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.