Home / 10,769.60-16,129.56-9,346.16

Finding the Fourth Proportional to 10,769.60, 16,129.56 and 9,346.16

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Solution

The fourth proportional to 10,769.60, 16,129.56 and 9,346.16 is: 13,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769.60 : 16,129.56 = 9,346.16 : x
  2. Step 2: Convert to fraction form
    10,769.60/16,129.56 = 9,346.16/x
  3. Step 3: Cross multiply
    10,769.60x = 16,129.56 × 9,346.16
  4. Step 4: Simplify right side
    10,769.60x = 150,749,448.49
  5. Step 5: Solve for x
    x = 150,749,448.49/10,769.60
  6. Step 6: Final answer
    x = 13,997.68

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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.