Home / 10,825.13-16,237.70-8,856.83

Finding the Fourth Proportional to 10,825.13, 16,237.70 and 8,856.83

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Solution

The fourth proportional to 10,825.13, 16,237.70 and 8,856.83 is: 13,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.13 : 16,237.70 = 8,856.83 : x
  2. Step 2: Convert to fraction form
    10,825.13/16,237.70 = 8,856.83/x
  3. Step 3: Cross multiply
    10,825.13x = 16,237.70 × 8,856.83
  4. Step 4: Simplify right side
    10,825.13x = 143,814,548.49
  5. Step 5: Solve for x
    x = 143,814,548.49/10,825.13
  6. Step 6: Final answer
    x = 13,285.25

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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.