Home / 15,721.15-23,581.74-4,034.47

Finding the Fourth Proportional to 15,721.15, 23,581.74 and 4,034.47

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Solution

The fourth proportional to 15,721.15, 23,581.74 and 4,034.47 is: 6,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.15 : 23,581.74 = 4,034.47 : x
  2. Step 2: Convert to fraction form
    15,721.15/23,581.74 = 4,034.47/x
  3. Step 3: Cross multiply
    15,721.15x = 23,581.74 × 4,034.47
  4. Step 4: Simplify right side
    15,721.15x = 95,139,822.58
  5. Step 5: Solve for x
    x = 95,139,822.58/15,721.15
  6. Step 6: Final answer
    x = 6,051.71

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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.