Home / 19,818.01-27,349.07-11,321.25

Finding the Fourth Proportional to 19,818.01, 27,349.07 and 11,321.25

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Solution

The fourth proportional to 19,818.01, 27,349.07 and 11,321.25 is: 15,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.01 : 27,349.07 = 11,321.25 : x
  2. Step 2: Convert to fraction form
    19,818.01/27,349.07 = 11,321.25/x
  3. Step 3: Cross multiply
    19,818.01x = 27,349.07 × 11,321.25
  4. Step 4: Simplify right side
    19,818.01x = 309,625,658.74
  5. Step 5: Solve for x
    x = 309,625,658.74/19,818.01
  6. Step 6: Final answer
    x = 15,623.45

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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.