Home / 10,291.48-15,435.06-3,364.36

Finding the Fourth Proportional to 10,291.48, 15,435.06 and 3,364.36

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Solution

The fourth proportional to 10,291.48, 15,435.06 and 3,364.36 is: 5,045.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.48 : 15,435.06 = 3,364.36 : x
  2. Step 2: Convert to fraction form
    10,291.48/15,435.06 = 3,364.36/x
  3. Step 3: Cross multiply
    10,291.48x = 15,435.06 × 3,364.36
  4. Step 4: Simplify right side
    10,291.48x = 51,929,098.46
  5. Step 5: Solve for x
    x = 51,929,098.46/10,291.48
  6. Step 6: Final answer
    x = 5,045.83

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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.