Home / 18,341.94-27,493.59-8,487.75

Finding the Fourth Proportional to 18,341.94, 27,493.59 and 8,487.75

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Solution

The fourth proportional to 18,341.94, 27,493.59 and 8,487.75 is: 12,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.94 : 27,493.59 = 8,487.75 : x
  2. Step 2: Convert to fraction form
    18,341.94/27,493.59 = 8,487.75/x
  3. Step 3: Cross multiply
    18,341.94x = 27,493.59 × 8,487.75
  4. Step 4: Simplify right side
    18,341.94x = 233,358,718.52
  5. Step 5: Solve for x
    x = 233,358,718.52/18,341.94
  6. Step 6: Final answer
    x = 12,722.68

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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.