Home / 10,856.80-16,287.30-4,616.80

Finding the Fourth Proportional to 10,856.80, 16,287.30 and 4,616.80

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Solution

The fourth proportional to 10,856.80, 16,287.30 and 4,616.80 is: 6,926.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.80 : 16,287.30 = 4,616.80 : x
  2. Step 2: Convert to fraction form
    10,856.80/16,287.30 = 4,616.80/x
  3. Step 3: Cross multiply
    10,856.80x = 16,287.30 × 4,616.80
  4. Step 4: Simplify right side
    10,856.80x = 75,195,206.64
  5. Step 5: Solve for x
    x = 75,195,206.64/10,856.80
  6. Step 6: Final answer
    x = 6,926.09

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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.