Home / 10,331.29-14,257.23-5,615.57

Finding the Fourth Proportional to 10,331.29, 14,257.23 and 5,615.57

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Solution

The fourth proportional to 10,331.29, 14,257.23 and 5,615.57 is: 7,749.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.29 : 14,257.23 = 5,615.57 : x
  2. Step 2: Convert to fraction form
    10,331.29/14,257.23 = 5,615.57/x
  3. Step 3: Cross multiply
    10,331.29x = 14,257.23 × 5,615.57
  4. Step 4: Simplify right side
    10,331.29x = 80,062,373.71
  5. Step 5: Solve for x
    x = 80,062,373.71/10,331.29
  6. Step 6: Final answer
    x = 7,749.51

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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.