Home / 21,713.18-32,572.13-6,918.62

Finding the Fourth Proportional to 21,713.18, 32,572.13 and 6,918.62

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Solution

The fourth proportional to 21,713.18, 32,572.13 and 6,918.62 is: 10,378.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,713.18 : 32,572.13 = 6,918.62 : x
  2. Step 2: Convert to fraction form
    21,713.18/32,572.13 = 6,918.62/x
  3. Step 3: Cross multiply
    21,713.18x = 32,572.13 × 6,918.62
  4. Step 4: Simplify right side
    21,713.18x = 225,354,190.06
  5. Step 5: Solve for x
    x = 225,354,190.06/21,713.18
  6. Step 6: Final answer
    x = 10,378.68

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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.