Home / 19,423.82-29,108.13-8,867.90

Finding the Fourth Proportional to 19,423.82, 29,108.13 and 8,867.90

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Solution

The fourth proportional to 19,423.82, 29,108.13 and 8,867.90 is: 13,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.82 : 29,108.13 = 8,867.90 : x
  2. Step 2: Convert to fraction form
    19,423.82/29,108.13 = 8,867.90/x
  3. Step 3: Cross multiply
    19,423.82x = 29,108.13 × 8,867.90
  4. Step 4: Simplify right side
    19,423.82x = 258,127,986.03
  5. Step 5: Solve for x
    x = 258,127,986.03/19,423.82
  6. Step 6: Final answer
    x = 13,289.25

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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.