Home / 13,246.87-19,869.08-4,481.86

Finding the Fourth Proportional to 13,246.87, 19,869.08 and 4,481.86

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Solution

The fourth proportional to 13,246.87, 19,869.08 and 4,481.86 is: 6,722.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.87 : 19,869.08 = 4,481.86 : x
  2. Step 2: Convert to fraction form
    13,246.87/19,869.08 = 4,481.86/x
  3. Step 3: Cross multiply
    13,246.87x = 19,869.08 × 4,481.86
  4. Step 4: Simplify right side
    13,246.87x = 89,050,434.89
  5. Step 5: Solve for x
    x = 89,050,434.89/13,246.87
  6. Step 6: Final answer
    x = 6,722.38

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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.