Home / 15,837.03-21,855.56-8,764.11

Finding the Fourth Proportional to 15,837.03, 21,855.56 and 8,764.11

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Solution

The fourth proportional to 15,837.03, 21,855.56 and 8,764.11 is: 12,094.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,837.03 : 21,855.56 = 8,764.11 : x
  2. Step 2: Convert to fraction form
    15,837.03/21,855.56 = 8,764.11/x
  3. Step 3: Cross multiply
    15,837.03x = 21,855.56 × 8,764.11
  4. Step 4: Simplify right side
    15,837.03x = 191,544,488.13
  5. Step 5: Solve for x
    x = 191,544,488.13/15,837.03
  6. Step 6: Final answer
    x = 12,094.72

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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.