Home / 10,137.12-13,991.10-6,363.66

Finding the Fourth Proportional to 10,137.12, 13,991.10 and 6,363.66

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Solution

The fourth proportional to 10,137.12, 13,991.10 and 6,363.66 is: 8,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.12 : 13,991.10 = 6,363.66 : x
  2. Step 2: Convert to fraction form
    10,137.12/13,991.10 = 6,363.66/x
  3. Step 3: Cross multiply
    10,137.12x = 13,991.10 × 6,363.66
  4. Step 4: Simplify right side
    10,137.12x = 89,034,603.43
  5. Step 5: Solve for x
    x = 89,034,603.43/10,137.12
  6. Step 6: Final answer
    x = 8,783.03

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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.