Home / 19,419.48-29,094.66-8,150.04

Finding the Fourth Proportional to 19,419.48, 29,094.66 and 8,150.04

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Solution

The fourth proportional to 19,419.48, 29,094.66 and 8,150.04 is: 12,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.48 : 29,094.66 = 8,150.04 : x
  2. Step 2: Convert to fraction form
    19,419.48/29,094.66 = 8,150.04/x
  3. Step 3: Cross multiply
    19,419.48x = 29,094.66 × 8,150.04
  4. Step 4: Simplify right side
    19,419.48x = 237,122,642.79
  5. Step 5: Solve for x
    x = 237,122,642.79/19,419.48
  6. Step 6: Final answer
    x = 12,210.56

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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.