Home / 18,903.24-28,304.46-15,630.84

Finding the Fourth Proportional to 18,903.24, 28,304.46 and 15,630.84

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Solution

The fourth proportional to 18,903.24, 28,304.46 and 15,630.84 is: 23,404.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903.24 : 28,304.46 = 15,630.84 : x
  2. Step 2: Convert to fraction form
    18,903.24/28,304.46 = 15,630.84/x
  3. Step 3: Cross multiply
    18,903.24x = 28,304.46 × 15,630.84
  4. Step 4: Simplify right side
    18,903.24x = 442,422,485.55
  5. Step 5: Solve for x
    x = 442,422,485.55/18,903.24
  6. Step 6: Final answer
    x = 23,404.58

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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.