Home / 18,180.47-25,083.02-14,817.50

Finding the Fourth Proportional to 18,180.47, 25,083.02 and 14,817.50

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Solution

The fourth proportional to 18,180.47, 25,083.02 and 14,817.50 is: 20,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.47 : 25,083.02 = 14,817.50 : x
  2. Step 2: Convert to fraction form
    18,180.47/25,083.02 = 14,817.50/x
  3. Step 3: Cross multiply
    18,180.47x = 25,083.02 × 14,817.50
  4. Step 4: Simplify right side
    18,180.47x = 371,667,449.35
  5. Step 5: Solve for x
    x = 371,667,449.35/18,180.47
  6. Step 6: Final answer
    x = 20,443.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.