Home / 10,225.90-14,107.12-6,446.44

Finding the Fourth Proportional to 10,225.90, 14,107.12 and 6,446.44

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Solution

The fourth proportional to 10,225.90, 14,107.12 and 6,446.44 is: 8,893.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,225.90 : 14,107.12 = 6,446.44 : x
  2. Step 2: Convert to fraction form
    10,225.90/14,107.12 = 6,446.44/x
  3. Step 3: Cross multiply
    10,225.90x = 14,107.12 × 6,446.44
  4. Step 4: Simplify right side
    10,225.90x = 90,940,702.65
  5. Step 5: Solve for x
    x = 90,940,702.65/10,225.90
  6. Step 6: Final answer
    x = 8,893.17

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Double scale
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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.