Home / 12,438.06-18,655.07-5,042.22

Finding the Fourth Proportional to 12,438.06, 18,655.07 and 5,042.22

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Solution

The fourth proportional to 12,438.06, 18,655.07 and 5,042.22 is: 7,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,438.06 : 18,655.07 = 5,042.22 : x
  2. Step 2: Convert to fraction form
    12,438.06/18,655.07 = 5,042.22/x
  3. Step 3: Cross multiply
    12,438.06x = 18,655.07 × 5,042.22
  4. Step 4: Simplify right side
    12,438.06x = 94,062,941.84
  5. Step 5: Solve for x
    x = 94,062,941.84/12,438.06
  6. Step 6: Final answer
    x = 7,562.51

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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.