Home / 9,234.99-12,744.68-5,257.08

Finding the Fourth Proportional to 9,234.99, 12,744.68 and 5,257.08

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Solution

The fourth proportional to 9,234.99, 12,744.68 and 5,257.08 is: 7,254.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,234.99 : 12,744.68 = 5,257.08 : x
  2. Step 2: Convert to fraction form
    9,234.99/12,744.68 = 5,257.08/x
  3. Step 3: Cross multiply
    9,234.99x = 12,744.68 × 5,257.08
  4. Step 4: Simplify right side
    9,234.99x = 66,999,776.05
  5. Step 5: Solve for x
    x = 66,999,776.05/9,234.99
  6. Step 6: Final answer
    x = 7,254.99

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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.