Home / 10,350.05-14,256.41-8,107.97

Finding the Fourth Proportional to 10,350.05, 14,256.41 and 8,107.97

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Solution

The fourth proportional to 10,350.05, 14,256.41 and 8,107.97 is: 11,168.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.05 : 14,256.41 = 8,107.97 : x
  2. Step 2: Convert to fraction form
    10,350.05/14,256.41 = 8,107.97/x
  3. Step 3: Cross multiply
    10,350.05x = 14,256.41 × 8,107.97
  4. Step 4: Simplify right side
    10,350.05x = 115,590,432.77
  5. Step 5: Solve for x
    x = 115,590,432.77/10,350.05
  6. Step 6: Final answer
    x = 11,168.11

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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.