Home / 21,663.15-32,494.86-6,872.10

Finding the Fourth Proportional to 21,663.15, 32,494.86 and 6,872.10

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Solution

The fourth proportional to 21,663.15, 32,494.86 and 6,872.10 is: 10,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,663.15 : 32,494.86 = 6,872.10 : x
  2. Step 2: Convert to fraction form
    21,663.15/32,494.86 = 6,872.10/x
  3. Step 3: Cross multiply
    21,663.15x = 32,494.86 × 6,872.10
  4. Step 4: Simplify right side
    21,663.15x = 223,307,927.41
  5. Step 5: Solve for x
    x = 223,307,927.41/21,663.15
  6. Step 6: Final answer
    x = 10,308.19

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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.