Home / 13,485.03-20,226.90-5,168.94

Finding the Fourth Proportional to 13,485.03, 20,226.90 and 5,168.94

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Solution

The fourth proportional to 13,485.03, 20,226.90 and 5,168.94 is: 7,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.03 : 20,226.90 = 5,168.94 : x
  2. Step 2: Convert to fraction form
    13,485.03/20,226.90 = 5,168.94/x
  3. Step 3: Cross multiply
    13,485.03x = 20,226.90 × 5,168.94
  4. Step 4: Simplify right side
    13,485.03x = 104,551,632.49
  5. Step 5: Solve for x
    x = 104,551,632.49/13,485.03
  6. Step 6: Final answer
    x = 7,753.16

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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.