Home / 10,660.02-15,987.87-2,867.01

Finding the Fourth Proportional to 10,660.02, 15,987.87 and 2,867.01

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Solution

The fourth proportional to 10,660.02, 15,987.87 and 2,867.01 is: 4,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.02 : 15,987.87 = 2,867.01 : x
  2. Step 2: Convert to fraction form
    10,660.02/15,987.87 = 2,867.01/x
  3. Step 3: Cross multiply
    10,660.02x = 15,987.87 × 2,867.01
  4. Step 4: Simplify right side
    10,660.02x = 45,837,383.17
  5. Step 5: Solve for x
    x = 45,837,383.17/10,660.02
  6. Step 6: Final answer
    x = 4,299.93

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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.