Home / 10,216.28-14,107.44-6,446.16

Finding the Fourth Proportional to 10,216.28, 14,107.44 and 6,446.16

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Solution

The fourth proportional to 10,216.28, 14,107.44 and 6,446.16 is: 8,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216.28 : 14,107.44 = 6,446.16 : x
  2. Step 2: Convert to fraction form
    10,216.28/14,107.44 = 6,446.16/x
  3. Step 3: Cross multiply
    10,216.28x = 14,107.44 × 6,446.16
  4. Step 4: Simplify right side
    10,216.28x = 90,938,815.43
  5. Step 5: Solve for x
    x = 90,938,815.43/10,216.28
  6. Step 6: Final answer
    x = 8,901.36

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1.5x scale

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.