Home / 17,660.78-26,490.49-5,974

Finding the Fourth Proportional to 17,660.78, 26,490.49 and 5,974

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Solution

The fourth proportional to 17,660.78, 26,490.49 and 5,974 is: 8,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,660.78 : 26,490.49 = 5,974 : x
  2. Step 2: Convert to fraction form
    17,660.78/26,490.49 = 5,974/x
  3. Step 3: Cross multiply
    17,660.78x = 26,490.49 × 5,974
  4. Step 4: Simplify right side
    17,660.78x = 158,254,187.26
  5. Step 5: Solve for x
    x = 158,254,187.26/17,660.78
  6. Step 6: Final answer
    x = 8,960.77

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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.