Home / 19,789.63-29,680.73-9,926.26

Finding the Fourth Proportional to 19,789.63, 29,680.73 and 9,926.26

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Solution

The fourth proportional to 19,789.63, 29,680.73 and 9,926.26 is: 14,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.63 : 29,680.73 = 9,926.26 : x
  2. Step 2: Convert to fraction form
    19,789.63/29,680.73 = 9,926.26/x
  3. Step 3: Cross multiply
    19,789.63x = 29,680.73 × 9,926.26
  4. Step 4: Simplify right side
    19,789.63x = 294,618,556.36
  5. Step 5: Solve for x
    x = 294,618,556.36/19,789.63
  6. Step 6: Final answer
    x = 14,887.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.