Home / 13,411.24-20,110.62-7,866.28

Finding the Fourth Proportional to 13,411.24, 20,110.62 and 7,866.28

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Solution

The fourth proportional to 13,411.24, 20,110.62 and 7,866.28 is: 11,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411.24 : 20,110.62 = 7,866.28 : x
  2. Step 2: Convert to fraction form
    13,411.24/20,110.62 = 7,866.28/x
  3. Step 3: Cross multiply
    13,411.24x = 20,110.62 × 7,866.28
  4. Step 4: Simplify right side
    13,411.24x = 158,195,767.89
  5. Step 5: Solve for x
    x = 158,195,767.89/13,411.24
  6. Step 6: Final answer
    x = 11,795.76

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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.