Home / 19,499.67-29,249.10-7,809.75

Finding the Fourth Proportional to 19,499.67, 29,249.10 and 7,809.75

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Solution

The fourth proportional to 19,499.67, 29,249.10 and 7,809.75 is: 11,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,499.67 : 29,249.10 = 7,809.75 : x
  2. Step 2: Convert to fraction form
    19,499.67/29,249.10 = 7,809.75/x
  3. Step 3: Cross multiply
    19,499.67x = 29,249.10 × 7,809.75
  4. Step 4: Simplify right side
    19,499.67x = 228,428,158.73
  5. Step 5: Solve for x
    x = 228,428,158.73/19,499.67
  6. Step 6: Final answer
    x = 11,714.46

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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.