Home / 8,073.18-12,110.54-3,143.21

Finding the Fourth Proportional to 8,073.18, 12,110.54 and 3,143.21

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Solution

The fourth proportional to 8,073.18, 12,110.54 and 3,143.21 is: 4,715.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.18 : 12,110.54 = 3,143.21 : x
  2. Step 2: Convert to fraction form
    8,073.18/12,110.54 = 3,143.21/x
  3. Step 3: Cross multiply
    8,073.18x = 12,110.54 × 3,143.21
  4. Step 4: Simplify right side
    8,073.18x = 38,065,894.16
  5. Step 5: Solve for x
    x = 38,065,894.16/8,073.18
  6. Step 6: Final answer
    x = 4,715.11

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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.