Home / 22,268.79-30,723.30-12,701.80

Finding the Fourth Proportional to 22,268.79, 30,723.30 and 12,701.80

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Solution

The fourth proportional to 22,268.79, 30,723.30 and 12,701.80 is: 17,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.79 : 30,723.30 = 12,701.80 : x
  2. Step 2: Convert to fraction form
    22,268.79/30,723.30 = 12,701.80/x
  3. Step 3: Cross multiply
    22,268.79x = 30,723.30 × 12,701.80
  4. Step 4: Simplify right side
    22,268.79x = 390,241,071.62
  5. Step 5: Solve for x
    x = 390,241,071.62/22,268.79
  6. Step 6: Final answer
    x = 17,524.13

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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.