Home / 11,357.78-17,036.76-3,962.38

Finding the Fourth Proportional to 11,357.78, 17,036.76 and 3,962.38

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Solution

The fourth proportional to 11,357.78, 17,036.76 and 3,962.38 is: 5,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,357.78 : 17,036.76 = 3,962.38 : x
  2. Step 2: Convert to fraction form
    11,357.78/17,036.76 = 3,962.38/x
  3. Step 3: Cross multiply
    11,357.78x = 17,036.76 × 3,962.38
  4. Step 4: Simplify right side
    11,357.78x = 67,506,117.09
  5. Step 5: Solve for x
    x = 67,506,117.09/11,357.78
  6. Step 6: Final answer
    x = 5,943.60

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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.