Home / 10,122.58-13,964.05-6,769.86

Finding the Fourth Proportional to 10,122.58, 13,964.05 and 6,769.86

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Solution

The fourth proportional to 10,122.58, 13,964.05 and 6,769.86 is: 9,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.58 : 13,964.05 = 6,769.86 : x
  2. Step 2: Convert to fraction form
    10,122.58/13,964.05 = 6,769.86/x
  3. Step 3: Cross multiply
    10,122.58x = 13,964.05 × 6,769.86
  4. Step 4: Simplify right side
    10,122.58x = 94,534,559.86
  5. Step 5: Solve for x
    x = 94,534,559.86/10,122.58
  6. Step 6: Final answer
    x = 9,338.98

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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.