Home / 12,159.32-18,240.70-4,366.28

Finding the Fourth Proportional to 12,159.32, 18,240.70 and 4,366.28

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Solution

The fourth proportional to 12,159.32, 18,240.70 and 4,366.28 is: 6,550.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,159.32 : 18,240.70 = 4,366.28 : x
  2. Step 2: Convert to fraction form
    12,159.32/18,240.70 = 4,366.28/x
  3. Step 3: Cross multiply
    12,159.32x = 18,240.70 × 4,366.28
  4. Step 4: Simplify right side
    12,159.32x = 79,644,003.60
  5. Step 5: Solve for x
    x = 79,644,003.60/12,159.32
  6. Step 6: Final answer
    x = 6,550.04

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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.