Home / 15,876.29-23,815.37-5,345.43

Finding the Fourth Proportional to 15,876.29, 23,815.37 and 5,345.43

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Solution

The fourth proportional to 15,876.29, 23,815.37 and 5,345.43 is: 8,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876.29 : 23,815.37 = 5,345.43 : x
  2. Step 2: Convert to fraction form
    15,876.29/23,815.37 = 5,345.43/x
  3. Step 3: Cross multiply
    15,876.29x = 23,815.37 × 5,345.43
  4. Step 4: Simplify right side
    15,876.29x = 127,303,387.72
  5. Step 5: Solve for x
    x = 127,303,387.72/15,876.29
  6. Step 6: Final answer
    x = 8,018.46

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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.