Home / 18,411.32-27,617.00-8,545.23

Finding the Fourth Proportional to 18,411.32, 27,617.00 and 8,545.23

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Solution

The fourth proportional to 18,411.32, 27,617.00 and 8,545.23 is: 12,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.32 : 27,617.00 = 8,545.23 : x
  2. Step 2: Convert to fraction form
    18,411.32/27,617.00 = 8,545.23/x
  3. Step 3: Cross multiply
    18,411.32x = 27,617.00 × 8,545.23
  4. Step 4: Simplify right side
    18,411.32x = 235,993,574.18
  5. Step 5: Solve for x
    x = 235,993,574.18/18,411.32
  6. Step 6: Final answer
    x = 12,817.85

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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.