Home / 19,985.24-29,977.38-5,194.10

Finding the Fourth Proportional to 19,985.24, 29,977.38 and 5,194.10

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Solution

The fourth proportional to 19,985.24, 29,977.38 and 5,194.10 is: 7,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985.24 : 29,977.38 = 5,194.10 : x
  2. Step 2: Convert to fraction form
    19,985.24/29,977.38 = 5,194.10/x
  3. Step 3: Cross multiply
    19,985.24x = 29,977.38 × 5,194.10
  4. Step 4: Simplify right side
    19,985.24x = 155,705,509.46
  5. Step 5: Solve for x
    x = 155,705,509.46/19,985.24
  6. Step 6: Final answer
    x = 7,791.03

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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.