Home / 13,764.28-18,985.03-8,462.02

Finding the Fourth Proportional to 13,764.28, 18,985.03 and 8,462.02

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Solution

The fourth proportional to 13,764.28, 18,985.03 and 8,462.02 is: 11,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.28 : 18,985.03 = 8,462.02 : x
  2. Step 2: Convert to fraction form
    13,764.28/18,985.03 = 8,462.02/x
  3. Step 3: Cross multiply
    13,764.28x = 18,985.03 × 8,462.02
  4. Step 4: Simplify right side
    13,764.28x = 160,651,703.56
  5. Step 5: Solve for x
    x = 160,651,703.56/13,764.28
  6. Step 6: Final answer
    x = 11,671.64

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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.