Home / 22,552.02-31,122.08-12,480.44

Finding the Fourth Proportional to 22,552.02, 31,122.08 and 12,480.44

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Solution

The fourth proportional to 22,552.02, 31,122.08 and 12,480.44 is: 17,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,552.02 : 31,122.08 = 12,480.44 : x
  2. Step 2: Convert to fraction form
    22,552.02/31,122.08 = 12,480.44/x
  3. Step 3: Cross multiply
    22,552.02x = 31,122.08 × 12,480.44
  4. Step 4: Simplify right side
    22,552.02x = 388,417,034.10
  5. Step 5: Solve for x
    x = 388,417,034.10/22,552.02
  6. Step 6: Final answer
    x = 17,223.16

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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.