Home / 13,890.28-20,833.18-6,097.64

Finding the Fourth Proportional to 13,890.28, 20,833.18 and 6,097.64

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Solution

The fourth proportional to 13,890.28, 20,833.18 and 6,097.64 is: 9,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890.28 : 20,833.18 = 6,097.64 : x
  2. Step 2: Convert to fraction form
    13,890.28/20,833.18 = 6,097.64/x
  3. Step 3: Cross multiply
    13,890.28x = 20,833.18 × 6,097.64
  4. Step 4: Simplify right side
    13,890.28x = 127,033,231.70
  5. Step 5: Solve for x
    x = 127,033,231.70/13,890.28
  6. Step 6: Final answer
    x = 9,145.48

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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.