Home / 19,254.18-28,874.79-5,399.94

Finding the Fourth Proportional to 19,254.18, 28,874.79 and 5,399.94

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Solution

The fourth proportional to 19,254.18, 28,874.79 and 5,399.94 is: 8,098.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254.18 : 28,874.79 = 5,399.94 : x
  2. Step 2: Convert to fraction form
    19,254.18/28,874.79 = 5,399.94/x
  3. Step 3: Cross multiply
    19,254.18x = 28,874.79 × 5,399.94
  4. Step 4: Simplify right side
    19,254.18x = 155,922,133.51
  5. Step 5: Solve for x
    x = 155,922,133.51/19,254.18
  6. Step 6: Final answer
    x = 8,098.09

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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.