Home / 18,257.61-25,196.40-10,299.67

Finding the Fourth Proportional to 18,257.61, 25,196.40 and 10,299.67

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Solution

The fourth proportional to 18,257.61, 25,196.40 and 10,299.67 is: 14,214.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.61 : 25,196.40 = 10,299.67 : x
  2. Step 2: Convert to fraction form
    18,257.61/25,196.40 = 10,299.67/x
  3. Step 3: Cross multiply
    18,257.61x = 25,196.40 × 10,299.67
  4. Step 4: Simplify right side
    18,257.61x = 259,514,542.20
  5. Step 5: Solve for x
    x = 259,514,542.20/18,257.61
  6. Step 6: Final answer
    x = 14,214.04

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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.