Home / 15,818.03-21,827.36-8,743.31

Finding the Fourth Proportional to 15,818.03, 21,827.36 and 8,743.31

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Solution

The fourth proportional to 15,818.03, 21,827.36 and 8,743.31 is: 12,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818.03 : 21,827.36 = 8,743.31 : x
  2. Step 2: Convert to fraction form
    15,818.03/21,827.36 = 8,743.31/x
  3. Step 3: Cross multiply
    15,818.03x = 21,827.36 × 8,743.31
  4. Step 4: Simplify right side
    15,818.03x = 190,843,222.11
  5. Step 5: Solve for x
    x = 190,843,222.11/15,818.03
  6. Step 6: Final answer
    x = 12,064.92

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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.