Home / 12,329.19-18,470.34-7,320.96

Finding the Fourth Proportional to 12,329.19, 18,470.34 and 7,320.96

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Solution

The fourth proportional to 12,329.19, 18,470.34 and 7,320.96 is: 10,967.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.19 : 18,470.34 = 7,320.96 : x
  2. Step 2: Convert to fraction form
    12,329.19/18,470.34 = 7,320.96/x
  3. Step 3: Cross multiply
    12,329.19x = 18,470.34 × 7,320.96
  4. Step 4: Simplify right side
    12,329.19x = 135,220,620.33
  5. Step 5: Solve for x
    x = 135,220,620.33/12,329.19
  6. Step 6: Final answer
    x = 10,967.52

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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.