Home / 19,301.61-26,632.44-12,127.37

Finding the Fourth Proportional to 19,301.61, 26,632.44 and 12,127.37

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Solution

The fourth proportional to 19,301.61, 26,632.44 and 12,127.37 is: 16,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.61 : 26,632.44 = 12,127.37 : x
  2. Step 2: Convert to fraction form
    19,301.61/26,632.44 = 12,127.37/x
  3. Step 3: Cross multiply
    19,301.61x = 26,632.44 × 12,127.37
  4. Step 4: Simplify right side
    19,301.61x = 322,981,375.11
  5. Step 5: Solve for x
    x = 322,981,375.11/19,301.61
  6. Step 6: Final answer
    x = 16,733.39

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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.