Home / 19,067.08-26,309.46-11,988.52

Finding the Fourth Proportional to 19,067.08, 26,309.46 and 11,988.52

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Solution

The fourth proportional to 19,067.08, 26,309.46 and 11,988.52 is: 16,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067.08 : 26,309.46 = 11,988.52 : x
  2. Step 2: Convert to fraction form
    19,067.08/26,309.46 = 11,988.52/x
  3. Step 3: Cross multiply
    19,067.08x = 26,309.46 × 11,988.52
  4. Step 4: Simplify right side
    19,067.08x = 315,411,487.40
  5. Step 5: Solve for x
    x = 315,411,487.40/19,067.08
  6. Step 6: Final answer
    x = 16,542.20

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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.