Home / 22,129.47-33,174.77-8,275.23

Finding the Fourth Proportional to 22,129.47, 33,174.77 and 8,275.23

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Solution

The fourth proportional to 22,129.47, 33,174.77 and 8,275.23 is: 12,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129.47 : 33,174.77 = 8,275.23 : x
  2. Step 2: Convert to fraction form
    22,129.47/33,174.77 = 8,275.23/x
  3. Step 3: Cross multiply
    22,129.47x = 33,174.77 × 8,275.23
  4. Step 4: Simplify right side
    22,129.47x = 274,528,810.57
  5. Step 5: Solve for x
    x = 274,528,810.57/22,129.47
  6. Step 6: Final answer
    x = 12,405.58

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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.