Home / 10,346.37-14,278.05-5,630.64

Finding the Fourth Proportional to 10,346.37, 14,278.05 and 5,630.64

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Solution

The fourth proportional to 10,346.37, 14,278.05 and 5,630.64 is: 7,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.37 : 14,278.05 = 5,630.64 : x
  2. Step 2: Convert to fraction form
    10,346.37/14,278.05 = 5,630.64/x
  3. Step 3: Cross multiply
    10,346.37x = 14,278.05 × 5,630.64
  4. Step 4: Simplify right side
    10,346.37x = 80,394,559.45
  5. Step 5: Solve for x
    x = 80,394,559.45/10,346.37
  6. Step 6: Final answer
    x = 7,770.32

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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.