Home / 22,185.52-30,621.18-14,633.20

Finding the Fourth Proportional to 22,185.52, 30,621.18 and 14,633.20

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Solution

The fourth proportional to 22,185.52, 30,621.18 and 14,633.20 is: 20,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185.52 : 30,621.18 = 14,633.20 : x
  2. Step 2: Convert to fraction form
    22,185.52/30,621.18 = 14,633.20/x
  3. Step 3: Cross multiply
    22,185.52x = 30,621.18 × 14,633.20
  4. Step 4: Simplify right side
    22,185.52x = 448,085,851.18
  5. Step 5: Solve for x
    x = 448,085,851.18/22,185.52
  6. Step 6: Final answer
    x = 20,197.22

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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.