Home / 15,818.06-21,827.40-8,743.52

Finding the Fourth Proportional to 15,818.06, 21,827.40 and 8,743.52

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Solution

The fourth proportional to 15,818.06, 21,827.40 and 8,743.52 is: 12,065.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818.06 : 21,827.40 = 8,743.52 : x
  2. Step 2: Convert to fraction form
    15,818.06/21,827.40 = 8,743.52/x
  3. Step 3: Cross multiply
    15,818.06x = 21,827.40 × 8,743.52
  4. Step 4: Simplify right side
    15,818.06x = 190,848,308.45
  5. Step 5: Solve for x
    x = 190,848,308.45/15,818.06
  6. Step 6: Final answer
    x = 12,065.22

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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.