Home / 22,268.18-30,730.55-12,197.04

Finding the Fourth Proportional to 22,268.18, 30,730.55 and 12,197.04

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Solution

The fourth proportional to 22,268.18, 30,730.55 and 12,197.04 is: 16,832.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.18 : 30,730.55 = 12,197.04 : x
  2. Step 2: Convert to fraction form
    22,268.18/30,730.55 = 12,197.04/x
  3. Step 3: Cross multiply
    22,268.18x = 30,730.55 × 12,197.04
  4. Step 4: Simplify right side
    22,268.18x = 374,821,686.59
  5. Step 5: Solve for x
    x = 374,821,686.59/22,268.18
  6. Step 6: Final answer
    x = 16,832.17

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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.