Home / 13,218.63-19,822.19-4,451.19

Finding the Fourth Proportional to 13,218.63, 19,822.19 and 4,451.19

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Solution

The fourth proportional to 13,218.63, 19,822.19 and 4,451.19 is: 6,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,218.63 : 19,822.19 = 4,451.19 : x
  2. Step 2: Convert to fraction form
    13,218.63/19,822.19 = 4,451.19/x
  3. Step 3: Cross multiply
    13,218.63x = 19,822.19 × 4,451.19
  4. Step 4: Simplify right side
    13,218.63x = 88,232,311.65
  5. Step 5: Solve for x
    x = 88,232,311.65/13,218.63
  6. Step 6: Final answer
    x = 6,674.85

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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.