Home / 22,131.09-30,541.65-12,059.79

Finding the Fourth Proportional to 22,131.09, 30,541.65 and 12,059.79

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Solution

The fourth proportional to 22,131.09, 30,541.65 and 12,059.79 is: 16,642.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,131.09 : 30,541.65 = 12,059.79 : x
  2. Step 2: Convert to fraction form
    22,131.09/30,541.65 = 12,059.79/x
  3. Step 3: Cross multiply
    22,131.09x = 30,541.65 × 12,059.79
  4. Step 4: Simplify right side
    22,131.09x = 368,325,885.25
  5. Step 5: Solve for x
    x = 368,325,885.25/22,131.09
  6. Step 6: Final answer
    x = 16,642.92

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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.