Home / 19,398.83-29,093.64-5,358.55

Finding the Fourth Proportional to 19,398.83, 29,093.64 and 5,358.55

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Solution

The fourth proportional to 19,398.83, 29,093.64 and 5,358.55 is: 8,036.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.83 : 29,093.64 = 5,358.55 : x
  2. Step 2: Convert to fraction form
    19,398.83/29,093.64 = 5,358.55/x
  3. Step 3: Cross multiply
    19,398.83x = 29,093.64 × 5,358.55
  4. Step 4: Simplify right side
    19,398.83x = 155,899,711.23
  5. Step 5: Solve for x
    x = 155,899,711.23/19,398.83
  6. Step 6: Final answer
    x = 8,036.55

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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.