Home / 13,401.10-20,102.85-5,608.30

Finding the Fourth Proportional to 13,401.10, 20,102.85 and 5,608.30

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Solution

The fourth proportional to 13,401.10, 20,102.85 and 5,608.30 is: 8,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.10 : 20,102.85 = 5,608.30 : x
  2. Step 2: Convert to fraction form
    13,401.10/20,102.85 = 5,608.30/x
  3. Step 3: Cross multiply
    13,401.10x = 20,102.85 × 5,608.30
  4. Step 4: Simplify right side
    13,401.10x = 112,742,813.66
  5. Step 5: Solve for x
    x = 112,742,813.66/13,401.10
  6. Step 6: Final answer
    x = 8,412.95

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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.