Home / 18,181.47-25,084.39-14,818.50

Finding the Fourth Proportional to 18,181.47, 25,084.39 and 14,818.50

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Solution

The fourth proportional to 18,181.47, 25,084.39 and 14,818.50 is: 20,444.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.47 : 25,084.39 = 14,818.50 : x
  2. Step 2: Convert to fraction form
    18,181.47/25,084.39 = 14,818.50/x
  3. Step 3: Cross multiply
    18,181.47x = 25,084.39 × 14,818.50
  4. Step 4: Simplify right side
    18,181.47x = 371,713,033.22
  5. Step 5: Solve for x
    x = 371,713,033.22/18,181.47
  6. Step 6: Final answer
    x = 20,444.61

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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.