Home / 17,077.10-25,615.65-11,172.20

Finding the Fourth Proportional to 17,077.10, 25,615.65 and 11,172.20

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Solution

The fourth proportional to 17,077.10, 25,615.65 and 11,172.20 is: 16,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,077.10 : 25,615.65 = 11,172.20 : x
  2. Step 2: Convert to fraction form
    17,077.10/25,615.65 = 11,172.20/x
  3. Step 3: Cross multiply
    17,077.10x = 25,615.65 × 11,172.20
  4. Step 4: Simplify right side
    17,077.10x = 286,183,164.93
  5. Step 5: Solve for x
    x = 286,183,164.93/17,077.10
  6. Step 6: Final answer
    x = 16,758.30

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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.