Home / 23,926.20-33,018.12-13,316.76

Finding the Fourth Proportional to 23,926.20, 33,018.12 and 13,316.76

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Solution

The fourth proportional to 23,926.20, 33,018.12 and 13,316.76 is: 18,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,926.20 : 33,018.12 = 13,316.76 : x
  2. Step 2: Convert to fraction form
    23,926.20/33,018.12 = 13,316.76/x
  3. Step 3: Cross multiply
    23,926.20x = 33,018.12 × 13,316.76
  4. Step 4: Simplify right side
    23,926.20x = 439,694,379.69
  5. Step 5: Solve for x
    x = 439,694,379.69/23,926.20
  6. Step 6: Final answer
    x = 18,377.11

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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.