Home / 13,165.86-19,734.82-6,137.70

Finding the Fourth Proportional to 13,165.86, 19,734.82 and 6,137.70

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Solution

The fourth proportional to 13,165.86, 19,734.82 and 6,137.70 is: 9,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.86 : 19,734.82 = 6,137.70 : x
  2. Step 2: Convert to fraction form
    13,165.86/19,734.82 = 6,137.70/x
  3. Step 3: Cross multiply
    13,165.86x = 19,734.82 × 6,137.70
  4. Step 4: Simplify right side
    13,165.86x = 121,126,404.71
  5. Step 5: Solve for x
    x = 121,126,404.71/13,165.86
  6. Step 6: Final answer
    x = 9,200.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.