Home / 10,331.01-14,256.68-5,615.19

Finding the Fourth Proportional to 10,331.01, 14,256.68 and 5,615.19

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Solution

The fourth proportional to 10,331.01, 14,256.68 and 5,615.19 is: 7,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.01 : 14,256.68 = 5,615.19 : x
  2. Step 2: Convert to fraction form
    10,331.01/14,256.68 = 5,615.19/x
  3. Step 3: Cross multiply
    10,331.01x = 14,256.68 × 5,615.19
  4. Step 4: Simplify right side
    10,331.01x = 80,053,938.89
  5. Step 5: Solve for x
    x = 80,053,938.89/10,331.01
  6. Step 6: Final answer
    x = 7,748.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.