Home / 19,613.44-27,077.72-12,918.52

Finding the Fourth Proportional to 19,613.44, 27,077.72 and 12,918.52

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Solution

The fourth proportional to 19,613.44, 27,077.72 and 12,918.52 is: 17,834.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.44 : 27,077.72 = 12,918.52 : x
  2. Step 2: Convert to fraction form
    19,613.44/27,077.72 = 12,918.52/x
  3. Step 3: Cross multiply
    19,613.44x = 27,077.72 × 12,918.52
  4. Step 4: Simplify right side
    19,613.44x = 349,804,067.37
  5. Step 5: Solve for x
    x = 349,804,067.37/19,613.44
  6. Step 6: Final answer
    x = 17,834.92

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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.