Home / 18,565.77-27,837.72-12,329.18

Finding the Fourth Proportional to 18,565.77, 27,837.72 and 12,329.18

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Solution

The fourth proportional to 18,565.77, 27,837.72 and 12,329.18 is: 18,486.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.77 : 27,837.72 = 12,329.18 : x
  2. Step 2: Convert to fraction form
    18,565.77/27,837.72 = 12,329.18/x
  3. Step 3: Cross multiply
    18,565.77x = 27,837.72 × 12,329.18
  4. Step 4: Simplify right side
    18,565.77x = 343,216,121.48
  5. Step 5: Solve for x
    x = 343,216,121.48/18,565.77
  6. Step 6: Final answer
    x = 18,486.50

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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.