Home / 12,212.88-18,275.52-10,575.04

Finding the Fourth Proportional to 12,212.88, 18,275.52 and 10,575.04

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Solution

The fourth proportional to 12,212.88, 18,275.52 and 10,575.04 is: 15,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212.88 : 18,275.52 = 10,575.04 : x
  2. Step 2: Convert to fraction form
    12,212.88/18,275.52 = 10,575.04/x
  3. Step 3: Cross multiply
    12,212.88x = 18,275.52 × 10,575.04
  4. Step 4: Simplify right side
    12,212.88x = 193,264,355.02
  5. Step 5: Solve for x
    x = 193,264,355.02/12,212.88
  6. Step 6: Final answer
    x = 15,824.63

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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.