Home / 18,211.72-25,132.64-10,254.22

Finding the Fourth Proportional to 18,211.72, 25,132.64 and 10,254.22

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Solution

The fourth proportional to 18,211.72, 25,132.64 and 10,254.22 is: 14,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.72 : 25,132.64 = 10,254.22 : x
  2. Step 2: Convert to fraction form
    18,211.72/25,132.64 = 10,254.22/x
  3. Step 3: Cross multiply
    18,211.72x = 25,132.64 × 10,254.22
  4. Step 4: Simplify right side
    18,211.72x = 257,715,619.74
  5. Step 5: Solve for x
    x = 257,715,619.74/18,211.72
  6. Step 6: Final answer
    x = 14,151.09

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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.