Home / 10,865.43-14,994.65-6,149.61

Finding the Fourth Proportional to 10,865.43, 14,994.65 and 6,149.61

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Solution

The fourth proportional to 10,865.43, 14,994.65 and 6,149.61 is: 8,486.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.43 : 14,994.65 = 6,149.61 : x
  2. Step 2: Convert to fraction form
    10,865.43/14,994.65 = 6,149.61/x
  3. Step 3: Cross multiply
    10,865.43x = 14,994.65 × 6,149.61
  4. Step 4: Simplify right side
    10,865.43x = 92,211,249.59
  5. Step 5: Solve for x
    x = 92,211,249.59/10,865.43
  6. Step 6: Final answer
    x = 8,486.66

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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.