Home / 17,898.96-26,849.64-5,418

Finding the Fourth Proportional to 17,898.96, 26,849.64 and 5,418

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Solution

The fourth proportional to 17,898.96, 26,849.64 and 5,418 is: 8,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,898.96 : 26,849.64 = 5,418 : x
  2. Step 2: Convert to fraction form
    17,898.96/26,849.64 = 5,418/x
  3. Step 3: Cross multiply
    17,898.96x = 26,849.64 × 5,418
  4. Step 4: Simplify right side
    17,898.96x = 145,471,349.52
  5. Step 5: Solve for x
    x = 145,471,349.52/17,898.96
  6. Step 6: Final answer
    x = 8,127.36

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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.