Home / 13,288.02-19,931.91-3,427.23

Finding the Fourth Proportional to 13,288.02, 19,931.91 and 3,427.23

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Solution

The fourth proportional to 13,288.02, 19,931.91 and 3,427.23 is: 5,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.02 : 19,931.91 = 3,427.23 : x
  2. Step 2: Convert to fraction form
    13,288.02/19,931.91 = 3,427.23/x
  3. Step 3: Cross multiply
    13,288.02x = 19,931.91 × 3,427.23
  4. Step 4: Simplify right side
    13,288.02x = 68,311,239.91
  5. Step 5: Solve for x
    x = 68,311,239.91/13,288.02
  6. Step 6: Final answer
    x = 5,140.81

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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.