Home / 11,899.60-16,417.38-6,863.68

Finding the Fourth Proportional to 11,899.60, 16,417.38 and 6,863.68

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Solution

The fourth proportional to 11,899.60, 16,417.38 and 6,863.68 is: 9,469.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.60 : 16,417.38 = 6,863.68 : x
  2. Step 2: Convert to fraction form
    11,899.60/16,417.38 = 6,863.68/x
  3. Step 3: Cross multiply
    11,899.60x = 16,417.38 × 6,863.68
  4. Step 4: Simplify right side
    11,899.60x = 112,683,642.76
  5. Step 5: Solve for x
    x = 112,683,642.76/11,899.60
  6. Step 6: Final answer
    x = 9,469.53

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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.