Home / 18,723.50-28,106.85-9,508.94

Finding the Fourth Proportional to 18,723.50, 28,106.85 and 9,508.94

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Solution

The fourth proportional to 18,723.50, 28,106.85 and 9,508.94 is: 14,274.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.50 : 28,106.85 = 9,508.94 : x
  2. Step 2: Convert to fraction form
    18,723.50/28,106.85 = 9,508.94/x
  3. Step 3: Cross multiply
    18,723.50x = 28,106.85 × 9,508.94
  4. Step 4: Simplify right side
    18,723.50x = 267,266,350.24
  5. Step 5: Solve for x
    x = 267,266,350.24/18,723.50
  6. Step 6: Final answer
    x = 14,274.38

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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.