Home / 19,958.20-29,948.10-8,866.60

Finding the Fourth Proportional to 19,958.20, 29,948.10 and 8,866.60

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Solution

The fourth proportional to 19,958.20, 29,948.10 and 8,866.60 is: 13,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.20 : 29,948.10 = 8,866.60 : x
  2. Step 2: Convert to fraction form
    19,958.20/29,948.10 = 8,866.60/x
  3. Step 3: Cross multiply
    19,958.20x = 29,948.10 × 8,866.60
  4. Step 4: Simplify right side
    19,958.20x = 265,537,823.46
  5. Step 5: Solve for x
    x = 265,537,823.46/19,958.20
  6. Step 6: Final answer
    x = 13,304.70

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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.