Home / 9,812.16-14,719.68-3,969.12

Finding the Fourth Proportional to 9,812.16, 14,719.68 and 3,969.12

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Solution

The fourth proportional to 9,812.16, 14,719.68 and 3,969.12 is: 5,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812.16 : 14,719.68 = 3,969.12 : x
  2. Step 2: Convert to fraction form
    9,812.16/14,719.68 = 3,969.12/x
  3. Step 3: Cross multiply
    9,812.16x = 14,719.68 × 3,969.12
  4. Step 4: Simplify right side
    9,812.16x = 58,424,176.28
  5. Step 5: Solve for x
    x = 58,424,176.28/9,812.16
  6. Step 6: Final answer
    x = 5,954.26

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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.