Home / 10,867.35-16,302.40-3,845.72

Finding the Fourth Proportional to 10,867.35, 16,302.40 and 3,845.72

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Solution

The fourth proportional to 10,867.35, 16,302.40 and 3,845.72 is: 5,769.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867.35 : 16,302.40 = 3,845.72 : x
  2. Step 2: Convert to fraction form
    10,867.35/16,302.40 = 3,845.72/x
  3. Step 3: Cross multiply
    10,867.35x = 16,302.40 × 3,845.72
  4. Step 4: Simplify right side
    10,867.35x = 62,694,465.73
  5. Step 5: Solve for x
    x = 62,694,465.73/10,867.35
  6. Step 6: Final answer
    x = 5,769.07

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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.