Home / 15,814.78-23,726.30-4,721.47

Finding the Fourth Proportional to 15,814.78, 23,726.30 and 4,721.47

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Solution

The fourth proportional to 15,814.78, 23,726.30 and 4,721.47 is: 7,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.78 : 23,726.30 = 4,721.47 : x
  2. Step 2: Convert to fraction form
    15,814.78/23,726.30 = 4,721.47/x
  3. Step 3: Cross multiply
    15,814.78x = 23,726.30 × 4,721.47
  4. Step 4: Simplify right side
    15,814.78x = 112,022,930.74
  5. Step 5: Solve for x
    x = 112,022,930.74/15,814.78
  6. Step 6: Final answer
    x = 7,083.43

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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.