Home / 10,941.75-16,412.62-8,740.17

Finding the Fourth Proportional to 10,941.75, 16,412.62 and 8,740.17

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Solution

The fourth proportional to 10,941.75, 16,412.62 and 8,740.17 is: 13,110.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941.75 : 16,412.62 = 8,740.17 : x
  2. Step 2: Convert to fraction form
    10,941.75/16,412.62 = 8,740.17/x
  3. Step 3: Cross multiply
    10,941.75x = 16,412.62 × 8,740.17
  4. Step 4: Simplify right side
    10,941.75x = 143,449,006.88
  5. Step 5: Solve for x
    x = 143,449,006.88/10,941.75
  6. Step 6: Final answer
    x = 13,110.25

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1.5x scale

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.