Home / 10,863.48-16,263.53-6,690.97

Finding the Fourth Proportional to 10,863.48, 16,263.53 and 6,690.97

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Solution

The fourth proportional to 10,863.48, 16,263.53 and 6,690.97 is: 10,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.48 : 16,263.53 = 6,690.97 : x
  2. Step 2: Convert to fraction form
    10,863.48/16,263.53 = 6,690.97/x
  3. Step 3: Cross multiply
    10,863.48x = 16,263.53 × 6,690.97
  4. Step 4: Simplify right side
    10,863.48x = 108,818,676.55
  5. Step 5: Solve for x
    x = 108,818,676.55/10,863.48
  6. Step 6: Final answer
    x = 10,016.93

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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.