Home / 19,202.70-28,802.16-6,720.42

Finding the Fourth Proportional to 19,202.70, 28,802.16 and 6,720.42

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Solution

The fourth proportional to 19,202.70, 28,802.16 and 6,720.42 is: 10,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202.70 : 28,802.16 = 6,720.42 : x
  2. Step 2: Convert to fraction form
    19,202.70/28,802.16 = 6,720.42/x
  3. Step 3: Cross multiply
    19,202.70x = 28,802.16 × 6,720.42
  4. Step 4: Simplify right side
    19,202.70x = 193,562,612.11
  5. Step 5: Solve for x
    x = 193,562,612.11/19,202.70
  6. Step 6: Final answer
    x = 10,079.97

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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.