Home / 12,892.56-19,339.92-4,571.16

Finding the Fourth Proportional to 12,892.56, 19,339.92 and 4,571.16

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Solution

The fourth proportional to 12,892.56, 19,339.92 and 4,571.16 is: 6,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892.56 : 19,339.92 = 4,571.16 : x
  2. Step 2: Convert to fraction form
    12,892.56/19,339.92 = 4,571.16/x
  3. Step 3: Cross multiply
    12,892.56x = 19,339.92 × 4,571.16
  4. Step 4: Simplify right side
    12,892.56x = 88,405,868.71
  5. Step 5: Solve for x
    x = 88,405,868.71/12,892.56
  6. Step 6: Final answer
    x = 6,857.12

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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.