Home / 13,534.41-20,304.24-4,172.79

Finding the Fourth Proportional to 13,534.41, 20,304.24 and 4,172.79

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Solution

The fourth proportional to 13,534.41, 20,304.24 and 4,172.79 is: 6,259.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.41 : 20,304.24 = 4,172.79 : x
  2. Step 2: Convert to fraction form
    13,534.41/20,304.24 = 4,172.79/x
  3. Step 3: Cross multiply
    13,534.41x = 20,304.24 × 4,172.79
  4. Step 4: Simplify right side
    13,534.41x = 84,725,329.63
  5. Step 5: Solve for x
    x = 84,725,329.63/13,534.41
  6. Step 6: Final answer
    x = 6,259.99

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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.