Home / 17,122.27-25,678.95-7,256.47

Finding the Fourth Proportional to 17,122.27, 25,678.95 and 7,256.47

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Solution

The fourth proportional to 17,122.27, 25,678.95 and 7,256.47 is: 10,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.27 : 25,678.95 = 7,256.47 : x
  2. Step 2: Convert to fraction form
    17,122.27/25,678.95 = 7,256.47/x
  3. Step 3: Cross multiply
    17,122.27x = 25,678.95 × 7,256.47
  4. Step 4: Simplify right side
    17,122.27x = 186,338,530.31
  5. Step 5: Solve for x
    x = 186,338,530.31/17,122.27
  6. Step 6: Final answer
    x = 10,882.82

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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.