Home / 22,130.31-30,540.60-12,059.58

Finding the Fourth Proportional to 22,130.31, 30,540.60 and 12,059.58

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Solution

The fourth proportional to 22,130.31, 30,540.60 and 12,059.58 is: 16,642.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.31 : 30,540.60 = 12,059.58 : x
  2. Step 2: Convert to fraction form
    22,130.31/30,540.60 = 12,059.58/x
  3. Step 3: Cross multiply
    22,130.31x = 30,540.60 × 12,059.58
  4. Step 4: Simplify right side
    22,130.31x = 368,306,808.95
  5. Step 5: Solve for x
    x = 368,306,808.95/22,130.31
  6. Step 6: Final answer
    x = 16,642.64

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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.