Home / 18,257.30-25,195.02-10,299.50

Finding the Fourth Proportional to 18,257.30, 25,195.02 and 10,299.50

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Solution

The fourth proportional to 18,257.30, 25,195.02 and 10,299.50 is: 14,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.30 : 25,195.02 = 10,299.50 : x
  2. Step 2: Convert to fraction form
    18,257.30/25,195.02 = 10,299.50/x
  3. Step 3: Cross multiply
    18,257.30x = 25,195.02 × 10,299.50
  4. Step 4: Simplify right side
    18,257.30x = 259,496,108.49
  5. Step 5: Solve for x
    x = 259,496,108.49/18,257.30
  6. Step 6: Final answer
    x = 14,213.28

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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.