Home / 19,488.68-29,244.56-8,243.39

Finding the Fourth Proportional to 19,488.68, 29,244.56 and 8,243.39

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Solution

The fourth proportional to 19,488.68, 29,244.56 and 8,243.39 is: 12,369.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.68 : 29,244.56 = 8,243.39 : x
  2. Step 2: Convert to fraction form
    19,488.68/29,244.56 = 8,243.39/x
  3. Step 3: Cross multiply
    19,488.68x = 29,244.56 × 8,243.39
  4. Step 4: Simplify right side
    19,488.68x = 241,074,126.02
  5. Step 5: Solve for x
    x = 241,074,126.02/19,488.68
  6. Step 6: Final answer
    x = 12,369.96

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1.5x scale

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.