Home / 10,619.25-15,927.08-3,221.93

Finding the Fourth Proportional to 10,619.25, 15,927.08 and 3,221.93

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Solution

The fourth proportional to 10,619.25, 15,927.08 and 3,221.93 is: 4,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.25 : 15,927.08 = 3,221.93 : x
  2. Step 2: Convert to fraction form
    10,619.25/15,927.08 = 3,221.93/x
  3. Step 3: Cross multiply
    10,619.25x = 15,927.08 × 3,221.93
  4. Step 4: Simplify right side
    10,619.25x = 51,315,889.11
  5. Step 5: Solve for x
    x = 51,315,889.11/10,619.25
  6. Step 6: Final answer
    x = 4,832.35

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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.