Home / 11,620.13-17,434.14-4,225.18

Finding the Fourth Proportional to 11,620.13, 17,434.14 and 4,225.18

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Solution

The fourth proportional to 11,620.13, 17,434.14 and 4,225.18 is: 6,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.13 : 17,434.14 = 4,225.18 : x
  2. Step 2: Convert to fraction form
    11,620.13/17,434.14 = 4,225.18/x
  3. Step 3: Cross multiply
    11,620.13x = 17,434.14 × 4,225.18
  4. Step 4: Simplify right side
    11,620.13x = 73,662,379.65
  5. Step 5: Solve for x
    x = 73,662,379.65/11,620.13
  6. Step 6: Final answer
    x = 6,339.21

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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.