Home / 19,142.19-28,713.33-5,815.26

Finding the Fourth Proportional to 19,142.19, 28,713.33 and 5,815.26

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Solution

The fourth proportional to 19,142.19, 28,713.33 and 5,815.26 is: 8,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.19 : 28,713.33 = 5,815.26 : x
  2. Step 2: Convert to fraction form
    19,142.19/28,713.33 = 5,815.26/x
  3. Step 3: Cross multiply
    19,142.19x = 28,713.33 × 5,815.26
  4. Step 4: Simplify right side
    19,142.19x = 166,975,479.42
  5. Step 5: Solve for x
    x = 166,975,479.42/19,142.19
  6. Step 6: Final answer
    x = 8,722.90

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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.