Home / 17,139.43-25,680.96-10,551.70

Finding the Fourth Proportional to 17,139.43, 25,680.96 and 10,551.70

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Solution

The fourth proportional to 17,139.43, 25,680.96 and 10,551.70 is: 15,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.43 : 25,680.96 = 10,551.70 : x
  2. Step 2: Convert to fraction form
    17,139.43/25,680.96 = 10,551.70/x
  3. Step 3: Cross multiply
    17,139.43x = 25,680.96 × 10,551.70
  4. Step 4: Simplify right side
    17,139.43x = 270,977,785.63
  5. Step 5: Solve for x
    x = 270,977,785.63/17,139.43
  6. Step 6: Final answer
    x = 15,810.20

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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.