Home / 10,822.44-16,215.84-6,434.40

Finding the Fourth Proportional to 10,822.44, 16,215.84 and 6,434.40

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Solution

The fourth proportional to 10,822.44, 16,215.84 and 6,434.40 is: 9,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.44 : 16,215.84 = 6,434.40 : x
  2. Step 2: Convert to fraction form
    10,822.44/16,215.84 = 6,434.40/x
  3. Step 3: Cross multiply
    10,822.44x = 16,215.84 × 6,434.40
  4. Step 4: Simplify right side
    10,822.44x = 104,339,200.90
  5. Step 5: Solve for x
    x = 104,339,200.90/10,822.44
  6. Step 6: Final answer
    x = 9,641.01

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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.