Home / 19,231.08-28,846.86-7,549.80

Finding the Fourth Proportional to 19,231.08, 28,846.86 and 7,549.80

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Solution

The fourth proportional to 19,231.08, 28,846.86 and 7,549.80 is: 11,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231.08 : 28,846.86 = 7,549.80 : x
  2. Step 2: Convert to fraction form
    19,231.08/28,846.86 = 7,549.80/x
  3. Step 3: Cross multiply
    19,231.08x = 28,846.86 × 7,549.80
  4. Step 4: Simplify right side
    19,231.08x = 217,788,023.63
  5. Step 5: Solve for x
    x = 217,788,023.63/19,231.08
  6. Step 6: Final answer
    x = 11,324.79

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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.