Home / 19,194.80-28,767.98-10,288.04

Finding the Fourth Proportional to 19,194.80, 28,767.98 and 10,288.04

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Solution

The fourth proportional to 19,194.80, 28,767.98 and 10,288.04 is: 15,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.80 : 28,767.98 = 10,288.04 : x
  2. Step 2: Convert to fraction form
    19,194.80/28,767.98 = 10,288.04/x
  3. Step 3: Cross multiply
    19,194.80x = 28,767.98 × 10,288.04
  4. Step 4: Simplify right side
    19,194.80x = 295,966,128.96
  5. Step 5: Solve for x
    x = 295,966,128.96/19,194.80
  6. Step 6: Final answer
    x = 15,419.08

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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.