Home / 10,727.68-16,091.28-4,885.84

Finding the Fourth Proportional to 10,727.68, 16,091.28 and 4,885.84

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Solution

The fourth proportional to 10,727.68, 16,091.28 and 4,885.84 is: 7,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,727.68 : 16,091.28 = 4,885.84 : x
  2. Step 2: Convert to fraction form
    10,727.68/16,091.28 = 4,885.84/x
  3. Step 3: Cross multiply
    10,727.68x = 16,091.28 × 4,885.84
  4. Step 4: Simplify right side
    10,727.68x = 78,619,419.48
  5. Step 5: Solve for x
    x = 78,619,419.48/10,727.68
  6. Step 6: Final answer
    x = 7,328.65

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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.