Home / 10,856.31-16,280.30-4,619.27

Finding the Fourth Proportional to 10,856.31, 16,280.30 and 4,619.27

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Solution

The fourth proportional to 10,856.31, 16,280.30 and 4,619.27 is: 6,927.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.31 : 16,280.30 = 4,619.27 : x
  2. Step 2: Convert to fraction form
    10,856.31/16,280.30 = 4,619.27/x
  3. Step 3: Cross multiply
    10,856.31x = 16,280.30 × 4,619.27
  4. Step 4: Simplify right side
    10,856.31x = 75,202,996.88
  5. Step 5: Solve for x
    x = 75,202,996.88/10,856.31
  6. Step 6: Final answer
    x = 6,927.12

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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.