Home / 11,215.19-16,810.21-4,550.14

Finding the Fourth Proportional to 11,215.19, 16,810.21 and 4,550.14

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Solution

The fourth proportional to 11,215.19, 16,810.21 and 4,550.14 is: 6,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.19 : 16,810.21 = 4,550.14 : x
  2. Step 2: Convert to fraction form
    11,215.19/16,810.21 = 4,550.14/x
  3. Step 3: Cross multiply
    11,215.19x = 16,810.21 × 4,550.14
  4. Step 4: Simplify right side
    11,215.19x = 76,488,702.13
  5. Step 5: Solve for x
    x = 76,488,702.13/11,215.19
  6. Step 6: Final answer
    x = 6,820.10

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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.