Home / 9,872.18-14,799.81-4,321.25

Finding the Fourth Proportional to 9,872.18, 14,799.81 and 4,321.25

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Solution

The fourth proportional to 9,872.18, 14,799.81 and 4,321.25 is: 6,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.18 : 14,799.81 = 4,321.25 : x
  2. Step 2: Convert to fraction form
    9,872.18/14,799.81 = 4,321.25/x
  3. Step 3: Cross multiply
    9,872.18x = 14,799.81 × 4,321.25
  4. Step 4: Simplify right side
    9,872.18x = 63,953,676.67
  5. Step 5: Solve for x
    x = 63,953,676.67/9,872.18
  6. Step 6: Final answer
    x = 6,478.17

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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.