Home / 10,845.43-14,965.46-6,129.70

Finding the Fourth Proportional to 10,845.43, 14,965.46 and 6,129.70

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Solution

The fourth proportional to 10,845.43, 14,965.46 and 6,129.70 is: 8,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.43 : 14,965.46 = 6,129.70 : x
  2. Step 2: Convert to fraction form
    10,845.43/14,965.46 = 6,129.70/x
  3. Step 3: Cross multiply
    10,845.43x = 14,965.46 × 6,129.70
  4. Step 4: Simplify right side
    10,845.43x = 91,733,780.16
  5. Step 5: Solve for x
    x = 91,733,780.16/10,845.43
  6. Step 6: Final answer
    x = 8,458.29

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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.