Home / 10,102.98-13,943.38-6,123.58

Finding the Fourth Proportional to 10,102.98, 13,943.38 and 6,123.58

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Solution

The fourth proportional to 10,102.98, 13,943.38 and 6,123.58 is: 8,451.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.98 : 13,943.38 = 6,123.58 : x
  2. Step 2: Convert to fraction form
    10,102.98/13,943.38 = 6,123.58/x
  3. Step 3: Cross multiply
    10,102.98x = 13,943.38 × 6,123.58
  4. Step 4: Simplify right side
    10,102.98x = 85,383,402.90
  5. Step 5: Solve for x
    x = 85,383,402.90/10,102.98
  6. Step 6: Final answer
    x = 8,451.31

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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.