Home / 13,510.32-20,266.32-5,716.50

Finding the Fourth Proportional to 13,510.32, 20,266.32 and 5,716.50

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Solution

The fourth proportional to 13,510.32, 20,266.32 and 5,716.50 is: 8,575.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.32 : 20,266.32 = 5,716.50 : x
  2. Step 2: Convert to fraction form
    13,510.32/20,266.32 = 5,716.50/x
  3. Step 3: Cross multiply
    13,510.32x = 20,266.32 × 5,716.50
  4. Step 4: Simplify right side
    13,510.32x = 115,852,418.28
  5. Step 5: Solve for x
    x = 115,852,418.28/13,510.32
  6. Step 6: Final answer
    x = 8,575.11

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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.