Home / 14,228.22-19,636.03-7,856.04

Finding the Fourth Proportional to 14,228.22, 19,636.03 and 7,856.04

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Solution

The fourth proportional to 14,228.22, 19,636.03 and 7,856.04 is: 10,841.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.22 : 19,636.03 = 7,856.04 : x
  2. Step 2: Convert to fraction form
    14,228.22/19,636.03 = 7,856.04/x
  3. Step 3: Cross multiply
    14,228.22x = 19,636.03 × 7,856.04
  4. Step 4: Simplify right side
    14,228.22x = 154,261,437.12
  5. Step 5: Solve for x
    x = 154,261,437.12/14,228.22
  6. Step 6: Final answer
    x = 10,841.94

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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.