Home / 13,246.11-19,872.18-4,480.89

Finding the Fourth Proportional to 13,246.11, 19,872.18 and 4,480.89

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Solution

The fourth proportional to 13,246.11, 19,872.18 and 4,480.89 is: 6,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.11 : 19,872.18 = 4,480.89 : x
  2. Step 2: Convert to fraction form
    13,246.11/19,872.18 = 4,480.89/x
  3. Step 3: Cross multiply
    13,246.11x = 19,872.18 × 4,480.89
  4. Step 4: Simplify right side
    13,246.11x = 89,045,052.64
  5. Step 5: Solve for x
    x = 89,045,052.64/13,246.11
  6. Step 6: Final answer
    x = 6,722.35

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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.