Home / 13,172.31-19,758.46-4,407.84

Finding the Fourth Proportional to 13,172.31, 19,758.46 and 4,407.84

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Solution

The fourth proportional to 13,172.31, 19,758.46 and 4,407.84 is: 6,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172.31 : 19,758.46 = 4,407.84 : x
  2. Step 2: Convert to fraction form
    13,172.31/19,758.46 = 4,407.84/x
  3. Step 3: Cross multiply
    13,172.31x = 19,758.46 × 4,407.84
  4. Step 4: Simplify right side
    13,172.31x = 87,092,130.33
  5. Step 5: Solve for x
    x = 87,092,130.33/13,172.31
  6. Step 6: Final answer
    x = 6,611.76

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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.