Home / 9,139.76-13,707.58-4,204.65

Finding the Fourth Proportional to 9,139.76, 13,707.58 and 4,204.65

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Solution

The fourth proportional to 9,139.76, 13,707.58 and 4,204.65 is: 6,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139.76 : 13,707.58 = 4,204.65 : x
  2. Step 2: Convert to fraction form
    9,139.76/13,707.58 = 4,204.65/x
  3. Step 3: Cross multiply
    9,139.76x = 13,707.58 × 4,204.65
  4. Step 4: Simplify right side
    9,139.76x = 57,635,576.25
  5. Step 5: Solve for x
    x = 57,635,576.25/9,139.76
  6. Step 6: Final answer
    x = 6,306.03

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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.