Home / 22,128.52-33,192.72-6,547.36

Finding the Fourth Proportional to 22,128.52, 33,192.72 and 6,547.36

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Solution

The fourth proportional to 22,128.52, 33,192.72 and 6,547.36 is: 9,821.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128.52 : 33,192.72 = 6,547.36 : x
  2. Step 2: Convert to fraction form
    22,128.52/33,192.72 = 6,547.36/x
  3. Step 3: Cross multiply
    22,128.52x = 33,192.72 × 6,547.36
  4. Step 4: Simplify right side
    22,128.52x = 217,324,687.22
  5. Step 5: Solve for x
    x = 217,324,687.22/22,128.52
  6. Step 6: Final answer
    x = 9,821.02

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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.