Home / 13,173.00-19,759.51-3,312.29

Finding the Fourth Proportional to 13,173.00, 19,759.51 and 3,312.29

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Solution

The fourth proportional to 13,173.00, 19,759.51 and 3,312.29 is: 4,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.00 : 19,759.51 = 3,312.29 : x
  2. Step 2: Convert to fraction form
    13,173.00/19,759.51 = 3,312.29/x
  3. Step 3: Cross multiply
    13,173.00x = 19,759.51 × 3,312.29
  4. Step 4: Simplify right side
    13,173.00x = 65,449,280.92
  5. Step 5: Solve for x
    x = 65,449,280.92/13,173.00
  6. Step 6: Final answer
    x = 4,968.44

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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.