Home / 13,434.81-20,153.24-3,573.81

Finding the Fourth Proportional to 13,434.81, 20,153.24 and 3,573.81

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Solution

The fourth proportional to 13,434.81, 20,153.24 and 3,573.81 is: 5,360.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.81 : 20,153.24 = 3,573.81 : x
  2. Step 2: Convert to fraction form
    13,434.81/20,153.24 = 3,573.81/x
  3. Step 3: Cross multiply
    13,434.81x = 20,153.24 × 3,573.81
  4. Step 4: Simplify right side
    13,434.81x = 72,023,832.78
  5. Step 5: Solve for x
    x = 72,023,832.78/13,434.81
  6. Step 6: Final answer
    x = 5,360.99

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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.