Home / 13,485.29-20,225.14-3,622.22

Finding the Fourth Proportional to 13,485.29, 20,225.14 and 3,622.22

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Solution

The fourth proportional to 13,485.29, 20,225.14 and 3,622.22 is: 5,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.29 : 20,225.14 = 3,622.22 : x
  2. Step 2: Convert to fraction form
    13,485.29/20,225.14 = 3,622.22/x
  3. Step 3: Cross multiply
    13,485.29x = 20,225.14 × 3,622.22
  4. Step 4: Simplify right side
    13,485.29x = 73,259,892.65
  5. Step 5: Solve for x
    x = 73,259,892.65/13,485.29
  6. Step 6: Final answer
    x = 5,432.58

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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.