Home / 13,353.93-20,030.67-5,454.71

Finding the Fourth Proportional to 13,353.93, 20,030.67 and 5,454.71

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Solution

The fourth proportional to 13,353.93, 20,030.67 and 5,454.71 is: 8,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.93 : 20,030.67 = 5,454.71 : x
  2. Step 2: Convert to fraction form
    13,353.93/20,030.67 = 5,454.71/x
  3. Step 3: Cross multiply
    13,353.93x = 20,030.67 × 5,454.71
  4. Step 4: Simplify right side
    13,353.93x = 109,261,470.92
  5. Step 5: Solve for x
    x = 109,261,470.92/13,353.93
  6. Step 6: Final answer
    x = 8,181.97

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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.