Home / 19,974.48-29,964.16-8,281.36

Finding the Fourth Proportional to 19,974.48, 29,964.16 and 8,281.36

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Solution

The fourth proportional to 19,974.48, 29,964.16 and 8,281.36 is: 12,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.48 : 29,964.16 = 8,281.36 : x
  2. Step 2: Convert to fraction form
    19,974.48/29,964.16 = 8,281.36/x
  3. Step 3: Cross multiply
    19,974.48x = 29,964.16 × 8,281.36
  4. Step 4: Simplify right side
    19,974.48x = 248,143,996.06
  5. Step 5: Solve for x
    x = 248,143,996.06/19,974.48
  6. Step 6: Final answer
    x = 12,423.05

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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.