Home / 18,270.12-25,217.64-10,317

Finding the Fourth Proportional to 18,270.12, 25,217.64 and 10,317

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Solution

The fourth proportional to 18,270.12, 25,217.64 and 10,317 is: 14,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.12 : 25,217.64 = 10,317 : x
  2. Step 2: Convert to fraction form
    18,270.12/25,217.64 = 10,317/x
  3. Step 3: Cross multiply
    18,270.12x = 25,217.64 × 10,317
  4. Step 4: Simplify right side
    18,270.12x = 260,170,391.88
  5. Step 5: Solve for x
    x = 260,170,391.88/18,270.12
  6. Step 6: Final answer
    x = 14,240.21

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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.