Home / 15,137.38-20,882.85-8,846.98

Finding the Fourth Proportional to 15,137.38, 20,882.85 and 8,846.98

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Solution

The fourth proportional to 15,137.38, 20,882.85 and 8,846.98 is: 12,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,137.38 : 20,882.85 = 8,846.98 : x
  2. Step 2: Convert to fraction form
    15,137.38/20,882.85 = 8,846.98/x
  3. Step 3: Cross multiply
    15,137.38x = 20,882.85 × 8,846.98
  4. Step 4: Simplify right side
    15,137.38x = 184,750,156.29
  5. Step 5: Solve for x
    x = 184,750,156.29/15,137.38
  6. Step 6: Final answer
    x = 12,204.90

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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.