Home / 21,350.34-32,003.18-7,305.65

Finding the Fourth Proportional to 21,350.34, 32,003.18 and 7,305.65

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Solution

The fourth proportional to 21,350.34, 32,003.18 and 7,305.65 is: 10,950.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,350.34 : 32,003.18 = 7,305.65 : x
  2. Step 2: Convert to fraction form
    21,350.34/32,003.18 = 7,305.65/x
  3. Step 3: Cross multiply
    21,350.34x = 32,003.18 × 7,305.65
  4. Step 4: Simplify right side
    21,350.34x = 233,804,031.97
  5. Step 5: Solve for x
    x = 233,804,031.97/21,350.34
  6. Step 6: Final answer
    x = 10,950.83

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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.