Home / 10,201.59-15,302.91-2,805.90

Finding the Fourth Proportional to 10,201.59, 15,302.91 and 2,805.90

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Solution

The fourth proportional to 10,201.59, 15,302.91 and 2,805.90 is: 4,208.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201.59 : 15,302.91 = 2,805.90 : x
  2. Step 2: Convert to fraction form
    10,201.59/15,302.91 = 2,805.90/x
  3. Step 3: Cross multiply
    10,201.59x = 15,302.91 × 2,805.90
  4. Step 4: Simplify right side
    10,201.59x = 42,938,435.17
  5. Step 5: Solve for x
    x = 42,938,435.17/10,201.59
  6. Step 6: Final answer
    x = 4,208.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.