Home / 18,217.07-25,133.74-10,257.76

Finding the Fourth Proportional to 18,217.07, 25,133.74 and 10,257.76

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Solution

The fourth proportional to 18,217.07, 25,133.74 and 10,257.76 is: 14,152.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.07 : 25,133.74 = 10,257.76 : x
  2. Step 2: Convert to fraction form
    18,217.07/25,133.74 = 10,257.76/x
  3. Step 3: Cross multiply
    18,217.07x = 25,133.74 × 10,257.76
  4. Step 4: Simplify right side
    18,217.07x = 257,815,872.82
  5. Step 5: Solve for x
    x = 257,815,872.82/18,217.07
  6. Step 6: Final answer
    x = 14,152.43

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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.