Home / 10,088.81-15,135.64-3,163.31

Finding the Fourth Proportional to 10,088.81, 15,135.64 and 3,163.31

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Solution

The fourth proportional to 10,088.81, 15,135.64 and 3,163.31 is: 4,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.81 : 15,135.64 = 3,163.31 : x
  2. Step 2: Convert to fraction form
    10,088.81/15,135.64 = 3,163.31/x
  3. Step 3: Cross multiply
    10,088.81x = 15,135.64 × 3,163.31
  4. Step 4: Simplify right side
    10,088.81x = 47,878,705.55
  5. Step 5: Solve for x
    x = 47,878,705.55/10,088.81
  6. Step 6: Final answer
    x = 4,745.72

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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.