Home / 18,217.47-25,126.68-13,741.41

Finding the Fourth Proportional to 18,217.47, 25,126.68 and 13,741.41

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Solution

The fourth proportional to 18,217.47, 25,126.68 and 13,741.41 is: 18,953.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.47 : 25,126.68 = 13,741.41 : x
  2. Step 2: Convert to fraction form
    18,217.47/25,126.68 = 13,741.41/x
  3. Step 3: Cross multiply
    18,217.47x = 25,126.68 × 13,741.41
  4. Step 4: Simplify right side
    18,217.47x = 345,276,011.82
  5. Step 5: Solve for x
    x = 345,276,011.82/18,217.47
  6. Step 6: Final answer
    x = 18,953.02

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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.