Home / 13,485.57-20,231.19-4,600.22

Finding the Fourth Proportional to 13,485.57, 20,231.19 and 4,600.22

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Solution

The fourth proportional to 13,485.57, 20,231.19 and 4,600.22 is: 6,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485.57 : 20,231.19 = 4,600.22 : x
  2. Step 2: Convert to fraction form
    13,485.57/20,231.19 = 4,600.22/x
  3. Step 3: Cross multiply
    13,485.57x = 20,231.19 × 4,600.22
  4. Step 4: Simplify right side
    13,485.57x = 93,067,823.71
  5. Step 5: Solve for x
    x = 93,067,823.71/13,485.57
  6. Step 6: Final answer
    x = 6,901.29

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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.