Home / 13,360.70-20,040.64-5,569.31

Finding the Fourth Proportional to 13,360.70, 20,040.64 and 5,569.31

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Solution

The fourth proportional to 13,360.70, 20,040.64 and 5,569.31 is: 8,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.70 : 20,040.64 = 5,569.31 : x
  2. Step 2: Convert to fraction form
    13,360.70/20,040.64 = 5,569.31/x
  3. Step 3: Cross multiply
    13,360.70x = 20,040.64 × 5,569.31
  4. Step 4: Simplify right side
    13,360.70x = 111,612,572.94
  5. Step 5: Solve for x
    x = 111,612,572.94/13,360.70
  6. Step 6: Final answer
    x = 8,353.80

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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.