Home / 21,339.18-32,013.96-7,107.62

Finding the Fourth Proportional to 21,339.18, 32,013.96 and 7,107.62

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Solution

The fourth proportional to 21,339.18, 32,013.96 and 7,107.62 is: 10,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339.18 : 32,013.96 = 7,107.62 : x
  2. Step 2: Convert to fraction form
    21,339.18/32,013.96 = 7,107.62/x
  3. Step 3: Cross multiply
    21,339.18x = 32,013.96 × 7,107.62
  4. Step 4: Simplify right side
    21,339.18x = 227,542,935.68
  5. Step 5: Solve for x
    x = 227,542,935.68/21,339.18
  6. Step 6: Final answer
    x = 10,663.15

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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.