Home / 13,910.93-20,871.72-5,593.34

Finding the Fourth Proportional to 13,910.93, 20,871.72 and 5,593.34

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Solution

The fourth proportional to 13,910.93, 20,871.72 and 5,593.34 is: 8,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.93 : 20,871.72 = 5,593.34 : x
  2. Step 2: Convert to fraction form
    13,910.93/20,871.72 = 5,593.34/x
  3. Step 3: Cross multiply
    13,910.93x = 20,871.72 × 5,593.34
  4. Step 4: Simplify right side
    13,910.93x = 116,742,521.99
  5. Step 5: Solve for x
    x = 116,742,521.99/13,910.93
  6. Step 6: Final answer
    x = 8,392.15

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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.