Home / 11,876.37-17,812.51-7,226.26

Finding the Fourth Proportional to 11,876.37, 17,812.51 and 7,226.26

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Solution

The fourth proportional to 11,876.37, 17,812.51 and 7,226.26 is: 10,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.37 : 17,812.51 = 7,226.26 : x
  2. Step 2: Convert to fraction form
    11,876.37/17,812.51 = 7,226.26/x
  3. Step 3: Cross multiply
    11,876.37x = 17,812.51 × 7,226.26
  4. Step 4: Simplify right side
    11,876.37x = 128,717,866.11
  5. Step 5: Solve for x
    x = 128,717,866.11/11,876.37
  6. Step 6: Final answer
    x = 10,838.15

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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.