Home / 10,825.57-14,936.70-6,109.84

Finding the Fourth Proportional to 10,825.57, 14,936.70 and 6,109.84

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Solution

The fourth proportional to 10,825.57, 14,936.70 and 6,109.84 is: 8,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.57 : 14,936.70 = 6,109.84 : x
  2. Step 2: Convert to fraction form
    10,825.57/14,936.70 = 6,109.84/x
  3. Step 3: Cross multiply
    10,825.57x = 14,936.70 × 6,109.84
  4. Step 4: Simplify right side
    10,825.57x = 91,260,847.13
  5. Step 5: Solve for x
    x = 91,260,847.13/10,825.57
  6. Step 6: Final answer
    x = 8,430.12

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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.