Home / 11,023.59-15,212.79-5,988

Finding the Fourth Proportional to 11,023.59, 15,212.79 and 5,988

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Solution

The fourth proportional to 11,023.59, 15,212.79 and 5,988 is: 8,263.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.59 : 15,212.79 = 5,988 : x
  2. Step 2: Convert to fraction form
    11,023.59/15,212.79 = 5,988/x
  3. Step 3: Cross multiply
    11,023.59x = 15,212.79 × 5,988
  4. Step 4: Simplify right side
    11,023.59x = 91,094,186.52
  5. Step 5: Solve for x
    x = 91,094,186.52/11,023.59
  6. Step 6: Final answer
    x = 8,263.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.