Home / 10,661.02-15,989.37-2,868.01

Finding the Fourth Proportional to 10,661.02, 15,989.37 and 2,868.01

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Solution

The fourth proportional to 10,661.02, 15,989.37 and 2,868.01 is: 4,301.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661.02 : 15,989.37 = 2,868.01 : x
  2. Step 2: Convert to fraction form
    10,661.02/15,989.37 = 2,868.01/x
  3. Step 3: Cross multiply
    10,661.02x = 15,989.37 × 2,868.01
  4. Step 4: Simplify right side
    10,661.02x = 45,857,673.05
  5. Step 5: Solve for x
    x = 45,857,673.05/10,661.02
  6. Step 6: Final answer
    x = 4,301.43

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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.