Home / 19,187.62-26,513.13-15,027.46

Finding the Fourth Proportional to 19,187.62, 26,513.13 and 15,027.46

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Solution

The fourth proportional to 19,187.62, 26,513.13 and 15,027.46 is: 20,764.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.62 : 26,513.13 = 15,027.46 : x
  2. Step 2: Convert to fraction form
    19,187.62/26,513.13 = 15,027.46/x
  3. Step 3: Cross multiply
    19,187.62x = 26,513.13 × 15,027.46
  4. Step 4: Simplify right side
    19,187.62x = 398,425,000.55
  5. Step 5: Solve for x
    x = 398,425,000.55/19,187.62
  6. Step 6: Final answer
    x = 20,764.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.