Home / 11,837.58-17,780.01-7,403.13

Finding the Fourth Proportional to 11,837.58, 17,780.01 and 7,403.13

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Solution

The fourth proportional to 11,837.58, 17,780.01 and 7,403.13 is: 11,119.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,837.58 : 17,780.01 = 7,403.13 : x
  2. Step 2: Convert to fraction form
    11,837.58/17,780.01 = 7,403.13/x
  3. Step 3: Cross multiply
    11,837.58x = 17,780.01 × 7,403.13
  4. Step 4: Simplify right side
    11,837.58x = 131,627,725.43
  5. Step 5: Solve for x
    x = 131,627,725.43/11,837.58
  6. Step 6: Final answer
    x = 11,119.48

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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.