Home / 15,648.53-23,470.36-5,118.46

Finding the Fourth Proportional to 15,648.53, 23,470.36 and 5,118.46

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Solution

The fourth proportional to 15,648.53, 23,470.36 and 5,118.46 is: 7,676.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.53 : 23,470.36 = 5,118.46 : x
  2. Step 2: Convert to fraction form
    15,648.53/23,470.36 = 5,118.46/x
  3. Step 3: Cross multiply
    15,648.53x = 23,470.36 × 5,118.46
  4. Step 4: Simplify right side
    15,648.53x = 120,132,027.37
  5. Step 5: Solve for x
    x = 120,132,027.37/15,648.53
  6. Step 6: Final answer
    x = 7,676.89

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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.