Home / 11,012.88-15,210.39-7,252.85

Finding the Fourth Proportional to 11,012.88, 15,210.39 and 7,252.85

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Solution

The fourth proportional to 11,012.88, 15,210.39 and 7,252.85 is: 10,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.88 : 15,210.39 = 7,252.85 : x
  2. Step 2: Convert to fraction form
    11,012.88/15,210.39 = 7,252.85/x
  3. Step 3: Cross multiply
    11,012.88x = 15,210.39 × 7,252.85
  4. Step 4: Simplify right side
    11,012.88x = 110,318,582.93
  5. Step 5: Solve for x
    x = 110,318,582.93/11,012.88
  6. Step 6: Final answer
    x = 10,017.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.