Home / 10,207.19-15,308.99-2,809.86

Finding the Fourth Proportional to 10,207.19, 15,308.99 and 2,809.86

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Solution

The fourth proportional to 10,207.19, 15,308.99 and 2,809.86 is: 4,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.19 : 15,308.99 = 2,809.86 : x
  2. Step 2: Convert to fraction form
    10,207.19/15,308.99 = 2,809.86/x
  3. Step 3: Cross multiply
    10,207.19x = 15,308.99 × 2,809.86
  4. Step 4: Simplify right side
    10,207.19x = 43,016,104.59
  5. Step 5: Solve for x
    x = 43,016,104.59/10,207.19
  6. Step 6: Final answer
    x = 4,214.30

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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.