Home / 10,989.36-15,168.02-6,276.37

Finding the Fourth Proportional to 10,989.36, 15,168.02 and 6,276.37

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Solution

The fourth proportional to 10,989.36, 15,168.02 and 6,276.37 is: 8,662.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.36 : 15,168.02 = 6,276.37 : x
  2. Step 2: Convert to fraction form
    10,989.36/15,168.02 = 6,276.37/x
  3. Step 3: Cross multiply
    10,989.36x = 15,168.02 × 6,276.37
  4. Step 4: Simplify right side
    10,989.36x = 95,200,105.69
  5. Step 5: Solve for x
    x = 95,200,105.69/10,989.36
  6. Step 6: Final answer
    x = 8,662.93

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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.