Home / 10,435.12-15,649.44-3,508

Finding the Fourth Proportional to 10,435.12, 15,649.44 and 3,508

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Solution

The fourth proportional to 10,435.12, 15,649.44 and 3,508 is: 5,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.12 : 15,649.44 = 3,508 : x
  2. Step 2: Convert to fraction form
    10,435.12/15,649.44 = 3,508/x
  3. Step 3: Cross multiply
    10,435.12x = 15,649.44 × 3,508
  4. Step 4: Simplify right side
    10,435.12x = 54,898,235.52
  5. Step 5: Solve for x
    x = 54,898,235.52/10,435.12
  6. Step 6: Final answer
    x = 5,260.91

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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.