Home / 13,808.82-19,050.11-9,330.94

Finding the Fourth Proportional to 13,808.82, 19,050.11 and 9,330.94

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Solution

The fourth proportional to 13,808.82, 19,050.11 and 9,330.94 is: 12,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.82 : 19,050.11 = 9,330.94 : x
  2. Step 2: Convert to fraction form
    13,808.82/19,050.11 = 9,330.94/x
  3. Step 3: Cross multiply
    13,808.82x = 19,050.11 × 9,330.94
  4. Step 4: Simplify right side
    13,808.82x = 177,755,386.75
  5. Step 5: Solve for x
    x = 177,755,386.75/13,808.82
  6. Step 6: Final answer
    x = 12,872.60

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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.