Home / 16,004.19-22,089.74-9,721.83

Finding the Fourth Proportional to 16,004.19, 22,089.74 and 9,721.83

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Solution

The fourth proportional to 16,004.19, 22,089.74 and 9,721.83 is: 13,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,004.19 : 22,089.74 = 9,721.83 : x
  2. Step 2: Convert to fraction form
    16,004.19/22,089.74 = 9,721.83/x
  3. Step 3: Cross multiply
    16,004.19x = 22,089.74 × 9,721.83
  4. Step 4: Simplify right side
    16,004.19x = 214,752,648.42
  5. Step 5: Solve for x
    x = 214,752,648.42/16,004.19
  6. Step 6: Final answer
    x = 13,418.53

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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.