Home / 19,400.60-29,101.44-5,360.62

Finding the Fourth Proportional to 19,400.60, 29,101.44 and 5,360.62

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Solution

The fourth proportional to 19,400.60, 29,101.44 and 5,360.62 is: 8,041.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.60 : 29,101.44 = 5,360.62 : x
  2. Step 2: Convert to fraction form
    19,400.60/29,101.44 = 5,360.62/x
  3. Step 3: Cross multiply
    19,400.60x = 29,101.44 × 5,360.62
  4. Step 4: Simplify right side
    19,400.60x = 156,001,761.29
  5. Step 5: Solve for x
    x = 156,001,761.29/19,400.60
  6. Step 6: Final answer
    x = 8,041.08

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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.