Home / 21,818.18-32,727.29-6,235.81

Finding the Fourth Proportional to 21,818.18, 32,727.29 and 6,235.81

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Solution

The fourth proportional to 21,818.18, 32,727.29 and 6,235.81 is: 9,353.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,818.18 : 32,727.29 = 6,235.81 : x
  2. Step 2: Convert to fraction form
    21,818.18/32,727.29 = 6,235.81/x
  3. Step 3: Cross multiply
    21,818.18x = 32,727.29 × 6,235.81
  4. Step 4: Simplify right side
    21,818.18x = 204,081,162.25
  5. Step 5: Solve for x
    x = 204,081,162.25/21,818.18
  6. Step 6: Final answer
    x = 9,353.72

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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.