Home / 19,801.36-27,310.87-12,633.47

Finding the Fourth Proportional to 19,801.36, 27,310.87 and 12,633.47

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Solution

The fourth proportional to 19,801.36, 27,310.87 and 12,633.47 is: 17,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.36 : 27,310.87 = 12,633.47 : x
  2. Step 2: Convert to fraction form
    19,801.36/27,310.87 = 12,633.47/x
  3. Step 3: Cross multiply
    19,801.36x = 27,310.87 × 12,633.47
  4. Step 4: Simplify right side
    19,801.36x = 345,031,038.47
  5. Step 5: Solve for x
    x = 345,031,038.47/19,801.36
  6. Step 6: Final answer
    x = 17,424.61

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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.