Home / 13,403.93-20,091.86-4,516.19

Finding the Fourth Proportional to 13,403.93, 20,091.86 and 4,516.19

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Solution

The fourth proportional to 13,403.93, 20,091.86 and 4,516.19 is: 6,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.93 : 20,091.86 = 4,516.19 : x
  2. Step 2: Convert to fraction form
    13,403.93/20,091.86 = 4,516.19/x
  3. Step 3: Cross multiply
    13,403.93x = 20,091.86 × 4,516.19
  4. Step 4: Simplify right side
    13,403.93x = 90,738,534.17
  5. Step 5: Solve for x
    x = 90,738,534.17/13,403.93
  6. Step 6: Final answer
    x = 6,769.55

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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.