Home / 10,161.18-14,018.31-6,179.10

Finding the Fourth Proportional to 10,161.18, 14,018.31 and 6,179.10

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Solution

The fourth proportional to 10,161.18, 14,018.31 and 6,179.10 is: 8,524.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.18 : 14,018.31 = 6,179.10 : x
  2. Step 2: Convert to fraction form
    10,161.18/14,018.31 = 6,179.10/x
  3. Step 3: Cross multiply
    10,161.18x = 14,018.31 × 6,179.10
  4. Step 4: Simplify right side
    10,161.18x = 86,620,539.32
  5. Step 5: Solve for x
    x = 86,620,539.32/10,161.18
  6. Step 6: Final answer
    x = 8,524.65

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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.