Home / 8,161.13-12,180.03-7,373.81

Finding the Fourth Proportional to 8,161.13, 12,180.03 and 7,373.81

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Solution

The fourth proportional to 8,161.13, 12,180.03 and 7,373.81 is: 11,005.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.13 : 12,180.03 = 7,373.81 : x
  2. Step 2: Convert to fraction form
    8,161.13/12,180.03 = 7,373.81/x
  3. Step 3: Cross multiply
    8,161.13x = 12,180.03 × 7,373.81
  4. Step 4: Simplify right side
    8,161.13x = 89,813,166.11
  5. Step 5: Solve for x
    x = 89,813,166.11/8,161.13
  6. Step 6: Final answer
    x = 11,005.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.