Home / 17,121.36-25,685.98-7,261.02

Finding the Fourth Proportional to 17,121.36, 25,685.98 and 7,261.02

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Solution

The fourth proportional to 17,121.36, 25,685.98 and 7,261.02 is: 10,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.36 : 25,685.98 = 7,261.02 : x
  2. Step 2: Convert to fraction form
    17,121.36/25,685.98 = 7,261.02/x
  3. Step 3: Cross multiply
    17,121.36x = 25,685.98 × 7,261.02
  4. Step 4: Simplify right side
    17,121.36x = 186,506,414.50
  5. Step 5: Solve for x
    x = 186,506,414.50/17,121.36
  6. Step 6: Final answer
    x = 10,893.20

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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.