Home / 19,193.28-28,724.89-11,802.42

Finding the Fourth Proportional to 19,193.28, 28,724.89 and 11,802.42

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Solution

The fourth proportional to 19,193.28, 28,724.89 and 11,802.42 is: 17,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.28 : 28,724.89 = 11,802.42 : x
  2. Step 2: Convert to fraction form
    19,193.28/28,724.89 = 11,802.42/x
  3. Step 3: Cross multiply
    19,193.28x = 28,724.89 × 11,802.42
  4. Step 4: Simplify right side
    19,193.28x = 339,023,043.10
  5. Step 5: Solve for x
    x = 339,023,043.10/19,193.28
  6. Step 6: Final answer
    x = 17,663.64

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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.