Home / 19,331.36-29,008.19-10,446.71

Finding the Fourth Proportional to 19,331.36, 29,008.19 and 10,446.71

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Solution

The fourth proportional to 19,331.36, 29,008.19 and 10,446.71 is: 15,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.36 : 29,008.19 = 10,446.71 : x
  2. Step 2: Convert to fraction form
    19,331.36/29,008.19 = 10,446.71/x
  3. Step 3: Cross multiply
    19,331.36x = 29,008.19 × 10,446.71
  4. Step 4: Simplify right side
    19,331.36x = 303,040,148.55
  5. Step 5: Solve for x
    x = 303,040,148.55/19,331.36
  6. Step 6: Final answer
    x = 15,676.09

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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.