Home / 13,386.96-20,081.40-5,596.56

Finding the Fourth Proportional to 13,386.96, 20,081.40 and 5,596.56

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Solution

The fourth proportional to 13,386.96, 20,081.40 and 5,596.56 is: 8,395.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,386.96 : 20,081.40 = 5,596.56 : x
  2. Step 2: Convert to fraction form
    13,386.96/20,081.40 = 5,596.56/x
  3. Step 3: Cross multiply
    13,386.96x = 20,081.40 × 5,596.56
  4. Step 4: Simplify right side
    13,386.96x = 112,386,759.98
  5. Step 5: Solve for x
    x = 112,386,759.98/13,386.96
  6. Step 6: Final answer
    x = 8,395.24

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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.