Home / 17,261.28-25,872.48-7,398.72

Finding the Fourth Proportional to 17,261.28, 25,872.48 and 7,398.72

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Solution

The fourth proportional to 17,261.28, 25,872.48 and 7,398.72 is: 11,089.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,261.28 : 25,872.48 = 7,398.72 : x
  2. Step 2: Convert to fraction form
    17,261.28/25,872.48 = 7,398.72/x
  3. Step 3: Cross multiply
    17,261.28x = 25,872.48 × 7,398.72
  4. Step 4: Simplify right side
    17,261.28x = 191,423,235.23
  5. Step 5: Solve for x
    x = 191,423,235.23/17,261.28
  6. Step 6: Final answer
    x = 11,089.75

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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.