Home / 10,343.07-15,502.46-5,415.03

Finding the Fourth Proportional to 10,343.07, 15,502.46 and 5,415.03

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Solution

The fourth proportional to 10,343.07, 15,502.46 and 5,415.03 is: 8,116.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.07 : 15,502.46 = 5,415.03 : x
  2. Step 2: Convert to fraction form
    10,343.07/15,502.46 = 5,415.03/x
  3. Step 3: Cross multiply
    10,343.07x = 15,502.46 × 5,415.03
  4. Step 4: Simplify right side
    10,343.07x = 83,946,258.90
  5. Step 5: Solve for x
    x = 83,946,258.90/10,343.07
  6. Step 6: Final answer
    x = 8,116.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.