Home / 19,101.48-28,663.37-8,007.31

Finding the Fourth Proportional to 19,101.48, 28,663.37 and 8,007.31

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Solution

The fourth proportional to 19,101.48, 28,663.37 and 8,007.31 is: 12,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.48 : 28,663.37 = 8,007.31 : x
  2. Step 2: Convert to fraction form
    19,101.48/28,663.37 = 8,007.31/x
  3. Step 3: Cross multiply
    19,101.48x = 28,663.37 × 8,007.31
  4. Step 4: Simplify right side
    19,101.48x = 229,516,515.05
  5. Step 5: Solve for x
    x = 229,516,515.05/19,101.48
  6. Step 6: Final answer
    x = 12,015.64

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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.