Home / 19,193.72-28,790.58-7,498.74

Finding the Fourth Proportional to 19,193.72, 28,790.58 and 7,498.74

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Solution

The fourth proportional to 19,193.72, 28,790.58 and 7,498.74 is: 11,248.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.72 : 28,790.58 = 7,498.74 : x
  2. Step 2: Convert to fraction form
    19,193.72/28,790.58 = 7,498.74/x
  3. Step 3: Cross multiply
    19,193.72x = 28,790.58 × 7,498.74
  4. Step 4: Simplify right side
    19,193.72x = 215,893,073.87
  5. Step 5: Solve for x
    x = 215,893,073.87/19,193.72
  6. Step 6: Final answer
    x = 11,248.11

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Similar ratio
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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.