Home / 20,485.19-30,735.12-8,014.16

Finding the Fourth Proportional to 20,485.19, 30,735.12 and 8,014.16

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Solution

The fourth proportional to 20,485.19, 30,735.12 and 8,014.16 is: 12,024.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,485.19 : 30,735.12 = 8,014.16 : x
  2. Step 2: Convert to fraction form
    20,485.19/30,735.12 = 8,014.16/x
  3. Step 3: Cross multiply
    20,485.19x = 30,735.12 × 8,014.16
  4. Step 4: Simplify right side
    20,485.19x = 246,316,015.62
  5. Step 5: Solve for x
    x = 246,316,015.62/20,485.19
  6. Step 6: Final answer
    x = 12,024.11

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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.