Home / 19,351.70-26,705.05-10,853.82

Finding the Fourth Proportional to 19,351.70, 26,705.05 and 10,853.82

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Solution

The fourth proportional to 19,351.70, 26,705.05 and 10,853.82 is: 14,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.70 : 26,705.05 = 10,853.82 : x
  2. Step 2: Convert to fraction form
    19,351.70/26,705.05 = 10,853.82/x
  3. Step 3: Cross multiply
    19,351.70x = 26,705.05 × 10,853.82
  4. Step 4: Simplify right side
    19,351.70x = 289,851,805.79
  5. Step 5: Solve for x
    x = 289,851,805.79/19,351.70
  6. Step 6: Final answer
    x = 14,978.11

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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.