Home / 13,871.12-19,143.46-7,584.44

Finding the Fourth Proportional to 13,871.12, 19,143.46 and 7,584.44

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Solution

The fourth proportional to 13,871.12, 19,143.46 and 7,584.44 is: 10,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871.12 : 19,143.46 = 7,584.44 : x
  2. Step 2: Convert to fraction form
    13,871.12/19,143.46 = 7,584.44/x
  3. Step 3: Cross multiply
    13,871.12x = 19,143.46 × 7,584.44
  4. Step 4: Simplify right side
    13,871.12x = 145,192,423.76
  5. Step 5: Solve for x
    x = 145,192,423.76/13,871.12
  6. Step 6: Final answer
    x = 10,467.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.