Home / 18,173.90-25,080.22-10,215.66

Finding the Fourth Proportional to 18,173.90, 25,080.22 and 10,215.66

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Solution

The fourth proportional to 18,173.90, 25,080.22 and 10,215.66 is: 14,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.90 : 25,080.22 = 10,215.66 : x
  2. Step 2: Convert to fraction form
    18,173.90/25,080.22 = 10,215.66/x
  3. Step 3: Cross multiply
    18,173.90x = 25,080.22 × 10,215.66
  4. Step 4: Simplify right side
    18,173.90x = 256,211,000.25
  5. Step 5: Solve for x
    x = 256,211,000.25/18,173.90
  6. Step 6: Final answer
    x = 14,097.74

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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.