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Finding the Fourth Proportional to 19,073.46, 28,592.76 and 7,377.86

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Solution

The fourth proportional to 19,073.46, 28,592.76 and 7,377.86 is: 11,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,073.46 : 28,592.76 = 7,377.86 : x
  2. Step 2: Convert to fraction form
    19,073.46/28,592.76 = 7,377.86/x
  3. Step 3: Cross multiply
    19,073.46x = 28,592.76 × 7,377.86
  4. Step 4: Simplify right side
    19,073.46x = 210,953,380.29
  5. Step 5: Solve for x
    x = 210,953,380.29/19,073.46
  6. Step 6: Final answer
    x = 11,060.05

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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.