Home / 12,040.46-18,061.90-4,542.14

Finding the Fourth Proportional to 12,040.46, 18,061.90 and 4,542.14

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Solution

The fourth proportional to 12,040.46, 18,061.90 and 4,542.14 is: 6,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.46 : 18,061.90 = 4,542.14 : x
  2. Step 2: Convert to fraction form
    12,040.46/18,061.90 = 4,542.14/x
  3. Step 3: Cross multiply
    12,040.46x = 18,061.90 × 4,542.14
  4. Step 4: Simplify right side
    12,040.46x = 82,039,636.22
  5. Step 5: Solve for x
    x = 82,039,636.22/12,040.46
  6. Step 6: Final answer
    x = 6,813.66

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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.