Home / 12,024.18-18,019.80-6,761.75

Finding the Fourth Proportional to 12,024.18, 18,019.80 and 6,761.75

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Solution

The fourth proportional to 12,024.18, 18,019.80 and 6,761.75 is: 10,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024.18 : 18,019.80 = 6,761.75 : x
  2. Step 2: Convert to fraction form
    12,024.18/18,019.80 = 6,761.75/x
  3. Step 3: Cross multiply
    12,024.18x = 18,019.80 × 6,761.75
  4. Step 4: Simplify right side
    12,024.18x = 121,845,292.55
  5. Step 5: Solve for x
    x = 121,845,292.55/12,024.18
  6. Step 6: Final answer
    x = 10,133.36

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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.