Home / 9,206.14-13,803.67-4,139.40

Finding the Fourth Proportional to 9,206.14, 13,803.67 and 4,139.40

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Solution

The fourth proportional to 9,206.14, 13,803.67 and 4,139.40 is: 6,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206.14 : 13,803.67 = 4,139.40 : x
  2. Step 2: Convert to fraction form
    9,206.14/13,803.67 = 4,139.40/x
  3. Step 3: Cross multiply
    9,206.14x = 13,803.67 × 4,139.40
  4. Step 4: Simplify right side
    9,206.14x = 57,138,911.60
  5. Step 5: Solve for x
    x = 57,138,911.60/9,206.14
  6. Step 6: Final answer
    x = 6,206.61

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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.