Home / 13,018.94-19,519.77-4,250.78

Finding the Fourth Proportional to 13,018.94, 19,519.77 and 4,250.78

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Solution

The fourth proportional to 13,018.94, 19,519.77 and 4,250.78 is: 6,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.94 : 19,519.77 = 4,250.78 : x
  2. Step 2: Convert to fraction form
    13,018.94/19,519.77 = 4,250.78/x
  3. Step 3: Cross multiply
    13,018.94x = 19,519.77 × 4,250.78
  4. Step 4: Simplify right side
    13,018.94x = 82,974,247.92
  5. Step 5: Solve for x
    x = 82,974,247.92/13,018.94
  6. Step 6: Final answer
    x = 6,373.35

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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.