Home / 13,188.31-19,770.46-4,862.52

Finding the Fourth Proportional to 13,188.31, 19,770.46 and 4,862.52

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Solution

The fourth proportional to 13,188.31, 19,770.46 and 4,862.52 is: 7,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.31 : 19,770.46 = 4,862.52 : x
  2. Step 2: Convert to fraction form
    13,188.31/19,770.46 = 4,862.52/x
  3. Step 3: Cross multiply
    13,188.31x = 19,770.46 × 4,862.52
  4. Step 4: Simplify right side
    13,188.31x = 96,134,257.16
  5. Step 5: Solve for x
    x = 96,134,257.16/13,188.31
  6. Step 6: Final answer
    x = 7,289.35

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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.