Home / 19,929-27,502.02-11,550.36

Finding the Fourth Proportional to 19,929, 27,502.02 and 11,550.36

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Solution

The fourth proportional to 19,929, 27,502.02 and 11,550.36 is: 15,939.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929 : 27,502.02 = 11,550.36 : x
  2. Step 2: Convert to fraction form
    19,929/27,502.02 = 11,550.36/x
  3. Step 3: Cross multiply
    19,929x = 27,502.02 × 11,550.36
  4. Step 4: Simplify right side
    19,929x = 317,658,231.73
  5. Step 5: Solve for x
    x = 317,658,231.73/19,929
  6. Step 6: Final answer
    x = 15,939.50

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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.