Home / 22,261.20-30,716.04-12,700.84

Finding the Fourth Proportional to 22,261.20, 30,716.04 and 12,700.84

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Solution

The fourth proportional to 22,261.20, 30,716.04 and 12,700.84 is: 17,524.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,261.20 : 30,716.04 = 12,700.84 : x
  2. Step 2: Convert to fraction form
    22,261.20/30,716.04 = 12,700.84/x
  3. Step 3: Cross multiply
    22,261.20x = 30,716.04 × 12,700.84
  4. Step 4: Simplify right side
    22,261.20x = 390,119,509.47
  5. Step 5: Solve for x
    x = 390,119,509.47/22,261.20
  6. Step 6: Final answer
    x = 17,524.64

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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.