Home / 19,103.13-28,651.54-5,064.03

Finding the Fourth Proportional to 19,103.13, 28,651.54 and 5,064.03

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Solution

The fourth proportional to 19,103.13, 28,651.54 and 5,064.03 is: 7,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.13 : 28,651.54 = 5,064.03 : x
  2. Step 2: Convert to fraction form
    19,103.13/28,651.54 = 5,064.03/x
  3. Step 3: Cross multiply
    19,103.13x = 28,651.54 × 5,064.03
  4. Step 4: Simplify right side
    19,103.13x = 145,092,114.85
  5. Step 5: Solve for x
    x = 145,092,114.85/19,103.13
  6. Step 6: Final answer
    x = 7,595.20

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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.