Home / 23,070.21-31,836.87-12,459.84

Finding the Fourth Proportional to 23,070.21, 31,836.87 and 12,459.84

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Solution

The fourth proportional to 23,070.21, 31,836.87 and 12,459.84 is: 17,194.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,070.21 : 31,836.87 = 12,459.84 : x
  2. Step 2: Convert to fraction form
    23,070.21/31,836.87 = 12,459.84/x
  3. Step 3: Cross multiply
    23,070.21x = 31,836.87 × 12,459.84
  4. Step 4: Simplify right side
    23,070.21x = 396,682,306.30
  5. Step 5: Solve for x
    x = 396,682,306.30/23,070.21
  6. Step 6: Final answer
    x = 17,194.57

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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.