Home / 11,938.12-17,914.95-4,542.64

Finding the Fourth Proportional to 11,938.12, 17,914.95 and 4,542.64

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Solution

The fourth proportional to 11,938.12, 17,914.95 and 4,542.64 is: 6,816.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.12 : 17,914.95 = 4,542.64 : x
  2. Step 2: Convert to fraction form
    11,938.12/17,914.95 = 4,542.64/x
  3. Step 3: Cross multiply
    11,938.12x = 17,914.95 × 4,542.64
  4. Step 4: Simplify right side
    11,938.12x = 81,381,168.47
  5. Step 5: Solve for x
    x = 81,381,168.47/11,938.12
  6. Step 6: Final answer
    x = 6,816.92

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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.