Home / 18,214.29-25,137.78-10,257.24

Finding the Fourth Proportional to 18,214.29, 25,137.78 and 10,257.24

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Solution

The fourth proportional to 18,214.29, 25,137.78 and 10,257.24 is: 14,156.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214.29 : 25,137.78 = 10,257.24 : x
  2. Step 2: Convert to fraction form
    18,214.29/25,137.78 = 10,257.24/x
  3. Step 3: Cross multiply
    18,214.29x = 25,137.78 × 10,257.24
  4. Step 4: Simplify right side
    18,214.29x = 257,844,242.53
  5. Step 5: Solve for x
    x = 257,844,242.53/18,214.29
  6. Step 6: Final answer
    x = 14,156.15

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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.