Home / 19,983.48-29,988.59-8,296.68

Finding the Fourth Proportional to 19,983.48, 29,988.59 and 8,296.68

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Solution

The fourth proportional to 19,983.48, 29,988.59 and 8,296.68 is: 12,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.48 : 29,988.59 = 8,296.68 : x
  2. Step 2: Convert to fraction form
    19,983.48/29,988.59 = 8,296.68/x
  3. Step 3: Cross multiply
    19,983.48x = 29,988.59 × 8,296.68
  4. Step 4: Simplify right side
    19,983.48x = 248,805,693.40
  5. Step 5: Solve for x
    x = 248,805,693.40/19,983.48
  6. Step 6: Final answer
    x = 12,450.57

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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.