Home / 12,550.89-18,809.91-9,406.17

Finding the Fourth Proportional to 12,550.89, 18,809.91 and 9,406.17

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Solution

The fourth proportional to 12,550.89, 18,809.91 and 9,406.17 is: 14,096.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.89 : 18,809.91 = 9,406.17 : x
  2. Step 2: Convert to fraction form
    12,550.89/18,809.91 = 9,406.17/x
  3. Step 3: Cross multiply
    12,550.89x = 18,809.91 × 9,406.17
  4. Step 4: Simplify right side
    12,550.89x = 176,929,211.14
  5. Step 5: Solve for x
    x = 176,929,211.14/12,550.89
  6. Step 6: Final answer
    x = 14,096.95

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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.