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Finding the Fourth Proportional to 19,199.05, 28,801 and 7,510.75

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Solution

The fourth proportional to 19,199.05, 28,801 and 7,510.75 is: 11,267.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.05 : 28,801 = 7,510.75 : x
  2. Step 2: Convert to fraction form
    19,199.05/28,801 = 7,510.75/x
  3. Step 3: Cross multiply
    19,199.05x = 28,801 × 7,510.75
  4. Step 4: Simplify right side
    19,199.05x = 216,317,110.75
  5. Step 5: Solve for x
    x = 216,317,110.75/19,199.05
  6. Step 6: Final answer
    x = 11,267.07

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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.