Home / 19,179.04-28,772.68-10,862.96

Finding the Fourth Proportional to 19,179.04, 28,772.68 and 10,862.96

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Solution

The fourth proportional to 19,179.04, 28,772.68 and 10,862.96 is: 16,296.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.04 : 28,772.68 = 10,862.96 : x
  2. Step 2: Convert to fraction form
    19,179.04/28,772.68 = 10,862.96/x
  3. Step 3: Cross multiply
    19,179.04x = 28,772.68 × 10,862.96
  4. Step 4: Simplify right side
    19,179.04x = 312,556,471.93
  5. Step 5: Solve for x
    x = 312,556,471.93/19,179.04
  6. Step 6: Final answer
    x = 16,296.77

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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.