Home / 19,279.10-26,610.80-11,214.64

Finding the Fourth Proportional to 19,279.10, 26,610.80 and 11,214.64

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Solution

The fourth proportional to 19,279.10, 26,610.80 and 11,214.64 is: 15,479.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.10 : 26,610.80 = 11,214.64 : x
  2. Step 2: Convert to fraction form
    19,279.10/26,610.80 = 11,214.64/x
  3. Step 3: Cross multiply
    19,279.10x = 26,610.80 × 11,214.64
  4. Step 4: Simplify right side
    19,279.10x = 298,430,542.11
  5. Step 5: Solve for x
    x = 298,430,542.11/19,279.10
  6. Step 6: Final answer
    x = 15,479.49

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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.