Home / 19,271.39-26,553.02-12,972.83

Finding the Fourth Proportional to 19,271.39, 26,553.02 and 12,972.83

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Solution

The fourth proportional to 19,271.39, 26,553.02 and 12,972.83 is: 17,874.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.39 : 26,553.02 = 12,972.83 : x
  2. Step 2: Convert to fraction form
    19,271.39/26,553.02 = 12,972.83/x
  3. Step 3: Cross multiply
    19,271.39x = 26,553.02 × 12,972.83
  4. Step 4: Simplify right side
    19,271.39x = 344,467,616.82
  5. Step 5: Solve for x
    x = 344,467,616.82/19,271.39
  6. Step 6: Final answer
    x = 17,874.56

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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.