Home / 19,126.92-28,679.34-7,426.47

Finding the Fourth Proportional to 19,126.92, 28,679.34 and 7,426.47

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Solution

The fourth proportional to 19,126.92, 28,679.34 and 7,426.47 is: 11,135.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.92 : 28,679.34 = 7,426.47 : x
  2. Step 2: Convert to fraction form
    19,126.92/28,679.34 = 7,426.47/x
  3. Step 3: Cross multiply
    19,126.92x = 28,679.34 × 7,426.47
  4. Step 4: Simplify right side
    19,126.92x = 212,986,258.13
  5. Step 5: Solve for x
    x = 212,986,258.13/19,126.92
  6. Step 6: Final answer
    x = 11,135.42

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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.