Home / 18,364.32-27,545.27-5,215.59

Finding the Fourth Proportional to 18,364.32, 27,545.27 and 5,215.59

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Solution

The fourth proportional to 18,364.32, 27,545.27 and 5,215.59 is: 7,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.32 : 27,545.27 = 5,215.59 : x
  2. Step 2: Convert to fraction form
    18,364.32/27,545.27 = 5,215.59/x
  3. Step 3: Cross multiply
    18,364.32x = 27,545.27 × 5,215.59
  4. Step 4: Simplify right side
    18,364.32x = 143,664,808.68
  5. Step 5: Solve for x
    x = 143,664,808.68/18,364.32
  6. Step 6: Final answer
    x = 7,823.04

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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.