Home / 19,747.18-29,611.86-7,265.08

Finding the Fourth Proportional to 19,747.18, 29,611.86 and 7,265.08

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Solution

The fourth proportional to 19,747.18, 29,611.86 and 7,265.08 is: 10,894.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,747.18 : 29,611.86 = 7,265.08 : x
  2. Step 2: Convert to fraction form
    19,747.18/29,611.86 = 7,265.08/x
  3. Step 3: Cross multiply
    19,747.18x = 29,611.86 × 7,265.08
  4. Step 4: Simplify right side
    19,747.18x = 215,132,531.85
  5. Step 5: Solve for x
    x = 215,132,531.85/19,747.18
  6. Step 6: Final answer
    x = 10,894.34

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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.