Home / 16,685.40-25,013.70-10,104.60

Finding the Fourth Proportional to 16,685.40, 25,013.70 and 10,104.60

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Solution

The fourth proportional to 16,685.40, 25,013.70 and 10,104.60 is: 15,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.40 : 25,013.70 = 10,104.60 : x
  2. Step 2: Convert to fraction form
    16,685.40/25,013.70 = 10,104.60/x
  3. Step 3: Cross multiply
    16,685.40x = 25,013.70 × 10,104.60
  4. Step 4: Simplify right side
    16,685.40x = 252,753,433.02
  5. Step 5: Solve for x
    x = 252,753,433.02/16,685.40
  6. Step 6: Final answer
    x = 15,148.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.