Home / 17,135.20-25,683.60-7,272.80

Finding the Fourth Proportional to 17,135.20, 25,683.60 and 7,272.80

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Solution

The fourth proportional to 17,135.20, 25,683.60 and 7,272.80 is: 10,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,135.20 : 25,683.60 = 7,272.80 : x
  2. Step 2: Convert to fraction form
    17,135.20/25,683.60 = 7,272.80/x
  3. Step 3: Cross multiply
    17,135.20x = 25,683.60 × 7,272.80
  4. Step 4: Simplify right side
    17,135.20x = 186,791,686.08
  5. Step 5: Solve for x
    x = 186,791,686.08/17,135.20
  6. Step 6: Final answer
    x = 10,901.05

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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.