Home / 15,921.60-23,883.48-4,234.56

Finding the Fourth Proportional to 15,921.60, 23,883.48 and 4,234.56

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Solution

The fourth proportional to 15,921.60, 23,883.48 and 4,234.56 is: 6,352.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.60 : 23,883.48 = 4,234.56 : x
  2. Step 2: Convert to fraction form
    15,921.60/23,883.48 = 4,234.56/x
  3. Step 3: Cross multiply
    15,921.60x = 23,883.48 × 4,234.56
  4. Step 4: Simplify right side
    15,921.60x = 101,136,029.07
  5. Step 5: Solve for x
    x = 101,136,029.07/15,921.60
  6. Step 6: Final answer
    x = 6,352.13

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1.5x scale

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.