Home / 14,475.66-19,977.35-8,102.99

Finding the Fourth Proportional to 14,475.66, 19,977.35 and 8,102.99

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Solution

The fourth proportional to 14,475.66, 19,977.35 and 8,102.99 is: 11,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.66 : 19,977.35 = 8,102.99 : x
  2. Step 2: Convert to fraction form
    14,475.66/19,977.35 = 8,102.99/x
  3. Step 3: Cross multiply
    14,475.66x = 19,977.35 × 8,102.99
  4. Step 4: Simplify right side
    14,475.66x = 161,876,126.87
  5. Step 5: Solve for x
    x = 161,876,126.87/14,475.66
  6. Step 6: Final answer
    x = 11,182.64

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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.