Home / 11,787.48-17,681.94-3,995.64

Finding the Fourth Proportional to 11,787.48, 17,681.94 and 3,995.64

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Solution

The fourth proportional to 11,787.48, 17,681.94 and 3,995.64 is: 5,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.48 : 17,681.94 = 3,995.64 : x
  2. Step 2: Convert to fraction form
    11,787.48/17,681.94 = 3,995.64/x
  3. Step 3: Cross multiply
    11,787.48x = 17,681.94 × 3,995.64
  4. Step 4: Simplify right side
    11,787.48x = 70,650,666.74
  5. Step 5: Solve for x
    x = 70,650,666.74/11,787.48
  6. Step 6: Final answer
    x = 5,993.70

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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.