Home / 16,195.68-22,345.20-9,901.44

Finding the Fourth Proportional to 16,195.68, 22,345.20 and 9,901.44

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Solution

The fourth proportional to 16,195.68, 22,345.20 and 9,901.44 is: 13,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,195.68 : 22,345.20 = 9,901.44 : x
  2. Step 2: Convert to fraction form
    16,195.68/22,345.20 = 9,901.44/x
  3. Step 3: Cross multiply
    16,195.68x = 22,345.20 × 9,901.44
  4. Step 4: Simplify right side
    16,195.68x = 221,249,657.09
  5. Step 5: Solve for x
    x = 221,249,657.09/16,195.68
  6. Step 6: Final answer
    x = 13,661.03

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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.