Home / 20,201.08-30,314.56-9,807.16

Finding the Fourth Proportional to 20,201.08, 30,314.56 and 9,807.16

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Solution

The fourth proportional to 20,201.08, 30,314.56 and 9,807.16 is: 14,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201.08 : 30,314.56 = 9,807.16 : x
  2. Step 2: Convert to fraction form
    20,201.08/30,314.56 = 9,807.16/x
  3. Step 3: Cross multiply
    20,201.08x = 30,314.56 × 9,807.16
  4. Step 4: Simplify right side
    20,201.08x = 297,299,740.25
  5. Step 5: Solve for x
    x = 297,299,740.25/20,201.08
  6. Step 6: Final answer
    x = 14,717.02

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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.