Home / 18,257.04-25,168.86-12,949.92

Finding the Fourth Proportional to 18,257.04, 25,168.86 and 12,949.92

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Solution

The fourth proportional to 18,257.04, 25,168.86 and 12,949.92 is: 17,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.04 : 25,168.86 = 12,949.92 : x
  2. Step 2: Convert to fraction form
    18,257.04/25,168.86 = 12,949.92/x
  3. Step 3: Cross multiply
    18,257.04x = 25,168.86 × 12,949.92
  4. Step 4: Simplify right side
    18,257.04x = 325,934,723.49
  5. Step 5: Solve for x
    x = 325,934,723.49/18,257.04
  6. Step 6: Final answer
    x = 17,852.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.