Home / 20,185.24-30,285.42-9,088.60

Finding the Fourth Proportional to 20,185.24, 30,285.42 and 9,088.60

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Solution

The fourth proportional to 20,185.24, 30,285.42 and 9,088.60 is: 13,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185.24 : 30,285.42 = 9,088.60 : x
  2. Step 2: Convert to fraction form
    20,185.24/30,285.42 = 9,088.60/x
  3. Step 3: Cross multiply
    20,185.24x = 30,285.42 × 9,088.60
  4. Step 4: Simplify right side
    20,185.24x = 275,252,068.21
  5. Step 5: Solve for x
    x = 275,252,068.21/20,185.24
  6. Step 6: Final answer
    x = 13,636.30

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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.