Home / 21,376.54-32,065.31-7,336.46

Finding the Fourth Proportional to 21,376.54, 32,065.31 and 7,336.46

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Solution

The fourth proportional to 21,376.54, 32,065.31 and 7,336.46 is: 11,004.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376.54 : 32,065.31 = 7,336.46 : x
  2. Step 2: Convert to fraction form
    21,376.54/32,065.31 = 7,336.46/x
  3. Step 3: Cross multiply
    21,376.54x = 32,065.31 × 7,336.46
  4. Step 4: Simplify right side
    21,376.54x = 235,245,864.20
  5. Step 5: Solve for x
    x = 235,245,864.20/21,376.54
  6. Step 6: Final answer
    x = 11,004.86

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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.