Home / 11,242.31-16,864.29-4,316.81

Finding the Fourth Proportional to 11,242.31, 16,864.29 and 4,316.81

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Solution

The fourth proportional to 11,242.31, 16,864.29 and 4,316.81 is: 6,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.31 : 16,864.29 = 4,316.81 : x
  2. Step 2: Convert to fraction form
    11,242.31/16,864.29 = 4,316.81/x
  3. Step 3: Cross multiply
    11,242.31x = 16,864.29 × 4,316.81
  4. Step 4: Simplify right side
    11,242.31x = 72,799,961.69
  5. Step 5: Solve for x
    x = 72,799,961.69/11,242.31
  6. Step 6: Final answer
    x = 6,475.53

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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.