Home / 17,145.36-25,720.56-6,754.32

Finding the Fourth Proportional to 17,145.36, 25,720.56 and 6,754.32

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Solution

The fourth proportional to 17,145.36, 25,720.56 and 6,754.32 is: 10,132.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,145.36 : 25,720.56 = 6,754.32 : x
  2. Step 2: Convert to fraction form
    17,145.36/25,720.56 = 6,754.32/x
  3. Step 3: Cross multiply
    17,145.36x = 25,720.56 × 6,754.32
  4. Step 4: Simplify right side
    17,145.36x = 173,724,892.82
  5. Step 5: Solve for x
    x = 173,724,892.82/17,145.36
  6. Step 6: Final answer
    x = 10,132.47

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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.