Home / 10,854.82-14,980.26-6,380.02

Finding the Fourth Proportional to 10,854.82, 14,980.26 and 6,380.02

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Solution

The fourth proportional to 10,854.82, 14,980.26 and 6,380.02 is: 8,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.82 : 14,980.26 = 6,380.02 : x
  2. Step 2: Convert to fraction form
    10,854.82/14,980.26 = 6,380.02/x
  3. Step 3: Cross multiply
    10,854.82x = 14,980.26 × 6,380.02
  4. Step 4: Simplify right side
    10,854.82x = 95,574,358.41
  5. Step 5: Solve for x
    x = 95,574,358.41/10,854.82
  6. Step 6: Final answer
    x = 8,804.79

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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.