Home / 19,489.67-29,234.10-7,799.75

Finding the Fourth Proportional to 19,489.67, 29,234.10 and 7,799.75

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Solution

The fourth proportional to 19,489.67, 29,234.10 and 7,799.75 is: 11,699.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.67 : 29,234.10 = 7,799.75 : x
  2. Step 2: Convert to fraction form
    19,489.67/29,234.10 = 7,799.75/x
  3. Step 3: Cross multiply
    19,489.67x = 29,234.10 × 7,799.75
  4. Step 4: Simplify right side
    19,489.67x = 228,018,671.48
  5. Step 5: Solve for x
    x = 228,018,671.48/19,489.67
  6. Step 6: Final answer
    x = 11,699.46

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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.