Home / 10,346.20-14,277.60-5,630.44

Finding the Fourth Proportional to 10,346.20, 14,277.60 and 5,630.44

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Solution

The fourth proportional to 10,346.20, 14,277.60 and 5,630.44 is: 7,769.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.20 : 14,277.60 = 5,630.44 : x
  2. Step 2: Convert to fraction form
    10,346.20/14,277.60 = 5,630.44/x
  3. Step 3: Cross multiply
    10,346.20x = 14,277.60 × 5,630.44
  4. Step 4: Simplify right side
    10,346.20x = 80,389,170.14
  5. Step 5: Solve for x
    x = 80,389,170.14/10,346.20
  6. Step 6: Final answer
    x = 7,769.92

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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.