Home / 18,269.37-27,387.86-8,904.15

Finding the Fourth Proportional to 18,269.37, 27,387.86 and 8,904.15

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Solution

The fourth proportional to 18,269.37, 27,387.86 and 8,904.15 is: 13,348.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.37 : 27,387.86 = 8,904.15 : x
  2. Step 2: Convert to fraction form
    18,269.37/27,387.86 = 8,904.15/x
  3. Step 3: Cross multiply
    18,269.37x = 27,387.86 × 8,904.15
  4. Step 4: Simplify right side
    18,269.37x = 243,865,569.10
  5. Step 5: Solve for x
    x = 243,865,569.10/18,269.37
  6. Step 6: Final answer
    x = 13,348.33

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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.