Home / 10,904.28-16,361.28-3,977.16

Finding the Fourth Proportional to 10,904.28, 16,361.28 and 3,977.16

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Solution

The fourth proportional to 10,904.28, 16,361.28 and 3,977.16 is: 5,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.28 : 16,361.28 = 3,977.16 : x
  2. Step 2: Convert to fraction form
    10,904.28/16,361.28 = 3,977.16/x
  3. Step 3: Cross multiply
    10,904.28x = 16,361.28 × 3,977.16
  4. Step 4: Simplify right side
    10,904.28x = 65,071,347.12
  5. Step 5: Solve for x
    x = 65,071,347.12/10,904.28
  6. Step 6: Final answer
    x = 5,967.51

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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.