Home / 43,426.88-65,141.44-11,837.20

Finding the Fourth Proportional to 43,426.88, 65,141.44 and 11,837.20

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Solution

The fourth proportional to 43,426.88, 65,141.44 and 11,837.20 is: 17,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,426.88 : 65,141.44 = 11,837.20 : x
  2. Step 2: Convert to fraction form
    43,426.88/65,141.44 = 11,837.20/x
  3. Step 3: Cross multiply
    43,426.88x = 65,141.44 × 11,837.20
  4. Step 4: Simplify right side
    43,426.88x = 771,092,253.57
  5. Step 5: Solve for x
    x = 771,092,253.57/43,426.88
  6. Step 6: Final answer
    x = 17,756.11

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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.