Home / 13,581.02-20,360.79-8,827.13

Finding the Fourth Proportional to 13,581.02, 20,360.79 and 8,827.13

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Solution

The fourth proportional to 13,581.02, 20,360.79 and 8,827.13 is: 13,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581.02 : 20,360.79 = 8,827.13 : x
  2. Step 2: Convert to fraction form
    13,581.02/20,360.79 = 8,827.13/x
  3. Step 3: Cross multiply
    13,581.02x = 20,360.79 × 8,827.13
  4. Step 4: Simplify right side
    13,581.02x = 179,727,238.43
  5. Step 5: Solve for x
    x = 179,727,238.43/13,581.02
  6. Step 6: Final answer
    x = 13,233.71

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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.