Home / 12,006.74-18,000.86-4,510.14

Finding the Fourth Proportional to 12,006.74, 18,000.86 and 4,510.14

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Solution

The fourth proportional to 12,006.74, 18,000.86 and 4,510.14 is: 6,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.74 : 18,000.86 = 4,510.14 : x
  2. Step 2: Convert to fraction form
    12,006.74/18,000.86 = 4,510.14/x
  3. Step 3: Cross multiply
    12,006.74x = 18,000.86 × 4,510.14
  4. Step 4: Simplify right side
    12,006.74x = 81,186,348.28
  5. Step 5: Solve for x
    x = 81,186,348.28/12,006.74
  6. Step 6: Final answer
    x = 6,761.73

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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.