Home / 11,688.36-17,541.78-10,304.40

Finding the Fourth Proportional to 11,688.36, 17,541.78 and 10,304.40

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Solution

The fourth proportional to 11,688.36, 17,541.78 and 10,304.40 is: 15,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.36 : 17,541.78 = 10,304.40 : x
  2. Step 2: Convert to fraction form
    11,688.36/17,541.78 = 10,304.40/x
  3. Step 3: Cross multiply
    11,688.36x = 17,541.78 × 10,304.40
  4. Step 4: Simplify right side
    11,688.36x = 180,757,517.83
  5. Step 5: Solve for x
    x = 180,757,517.83/11,688.36
  6. Step 6: Final answer
    x = 15,464.75

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1.5x scale

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.