Home / 19,364.08-29,049.36-7,677.40

Finding the Fourth Proportional to 19,364.08, 29,049.36 and 7,677.40

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Solution

The fourth proportional to 19,364.08, 29,049.36 and 7,677.40 is: 11,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.08 : 29,049.36 = 7,677.40 : x
  2. Step 2: Convert to fraction form
    19,364.08/29,049.36 = 7,677.40/x
  3. Step 3: Cross multiply
    19,364.08x = 29,049.36 × 7,677.40
  4. Step 4: Simplify right side
    19,364.08x = 223,023,556.46
  5. Step 5: Solve for x
    x = 223,023,556.46/19,364.08
  6. Step 6: Final answer
    x = 11,517.38

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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.