Home / 21,506.26-32,263.16-9,820.66

Finding the Fourth Proportional to 21,506.26, 32,263.16 and 9,820.66

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Solution

The fourth proportional to 21,506.26, 32,263.16 and 9,820.66 is: 14,732.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506.26 : 32,263.16 = 9,820.66 : x
  2. Step 2: Convert to fraction form
    21,506.26/32,263.16 = 9,820.66/x
  3. Step 3: Cross multiply
    21,506.26x = 32,263.16 × 9,820.66
  4. Step 4: Simplify right side
    21,506.26x = 316,845,524.89
  5. Step 5: Solve for x
    x = 316,845,524.89/21,506.26
  6. Step 6: Final answer
    x = 14,732.71

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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.