Home / 10,662.06-15,991.20-6,274.38

Finding the Fourth Proportional to 10,662.06, 15,991.20 and 6,274.38

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Solution

The fourth proportional to 10,662.06, 15,991.20 and 6,274.38 is: 9,410.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662.06 : 15,991.20 = 6,274.38 : x
  2. Step 2: Convert to fraction form
    10,662.06/15,991.20 = 6,274.38/x
  3. Step 3: Cross multiply
    10,662.06x = 15,991.20 × 6,274.38
  4. Step 4: Simplify right side
    10,662.06x = 100,334,865.46
  5. Step 5: Solve for x
    x = 100,334,865.46/10,662.06
  6. Step 6: Final answer
    x = 9,410.46

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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.