Home / 19,938.87-29,883.68-10,080.96

Finding the Fourth Proportional to 19,938.87, 29,883.68 and 10,080.96

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Solution

The fourth proportional to 19,938.87, 29,883.68 and 10,080.96 is: 15,108.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.87 : 29,883.68 = 10,080.96 : x
  2. Step 2: Convert to fraction form
    19,938.87/29,883.68 = 10,080.96/x
  3. Step 3: Cross multiply
    19,938.87x = 29,883.68 × 10,080.96
  4. Step 4: Simplify right side
    19,938.87x = 301,256,132.33
  5. Step 5: Solve for x
    x = 301,256,132.33/19,938.87
  6. Step 6: Final answer
    x = 15,108.99

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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.