Home / 20,497.64-30,740.38-8,808.14

Finding the Fourth Proportional to 20,497.64, 30,740.38 and 8,808.14

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Solution

The fourth proportional to 20,497.64, 30,740.38 and 8,808.14 is: 13,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,497.64 : 30,740.38 = 8,808.14 : x
  2. Step 2: Convert to fraction form
    20,497.64/30,740.38 = 8,808.14/x
  3. Step 3: Cross multiply
    20,497.64x = 30,740.38 × 8,808.14
  4. Step 4: Simplify right side
    20,497.64x = 270,765,570.69
  5. Step 5: Solve for x
    x = 270,765,570.69/20,497.64
  6. Step 6: Final answer
    x = 13,209.60

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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.