Home / 10,234.12-14,122.08-5,757.77

Finding the Fourth Proportional to 10,234.12, 14,122.08 and 5,757.77

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Solution

The fourth proportional to 10,234.12, 14,122.08 and 5,757.77 is: 7,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.12 : 14,122.08 = 5,757.77 : x
  2. Step 2: Convert to fraction form
    10,234.12/14,122.08 = 5,757.77/x
  3. Step 3: Cross multiply
    10,234.12x = 14,122.08 × 5,757.77
  4. Step 4: Simplify right side
    10,234.12x = 81,311,688.56
  5. Step 5: Solve for x
    x = 81,311,688.56/10,234.12
  6. Step 6: Final answer
    x = 7,945.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.