Home / 12,586.95-18,882.47-4,150.94

Finding the Fourth Proportional to 12,586.95, 18,882.47 and 4,150.94

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Solution

The fourth proportional to 12,586.95, 18,882.47 and 4,150.94 is: 6,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586.95 : 18,882.47 = 4,150.94 : x
  2. Step 2: Convert to fraction form
    12,586.95/18,882.47 = 4,150.94/x
  3. Step 3: Cross multiply
    12,586.95x = 18,882.47 × 4,150.94
  4. Step 4: Simplify right side
    12,586.95x = 78,379,892.64
  5. Step 5: Solve for x
    x = 78,379,892.64/12,586.95
  6. Step 6: Final answer
    x = 6,227.08

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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.