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Finding the Fourth Proportional to 10,035.59, 13,860.90 and 8,025.98

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Solution

The fourth proportional to 10,035.59, 13,860.90 and 8,025.98 is: 11,085.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,035.59 : 13,860.90 = 8,025.98 : x
  2. Step 2: Convert to fraction form
    10,035.59/13,860.90 = 8,025.98/x
  3. Step 3: Cross multiply
    10,035.59x = 13,860.90 × 8,025.98
  4. Step 4: Simplify right side
    10,035.59x = 111,247,236.88
  5. Step 5: Solve for x
    x = 111,247,236.88/10,035.59
  6. Step 6: Final answer
    x = 11,085.28

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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.