Home / 18,988.37-28,475.96-10,567.73

Finding the Fourth Proportional to 18,988.37, 28,475.96 and 10,567.73

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Solution

The fourth proportional to 18,988.37, 28,475.96 and 10,567.73 is: 15,847.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,988.37 : 28,475.96 = 10,567.73 : x
  2. Step 2: Convert to fraction form
    18,988.37/28,475.96 = 10,567.73/x
  3. Step 3: Cross multiply
    18,988.37x = 28,475.96 × 10,567.73
  4. Step 4: Simplify right side
    18,988.37x = 300,926,101.18
  5. Step 5: Solve for x
    x = 300,926,101.18/18,988.37
  6. Step 6: Final answer
    x = 15,847.91

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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.