Home / 20,448.81-30,654.97-7,298.26

Finding the Fourth Proportional to 20,448.81, 30,654.97 and 7,298.26

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Solution

The fourth proportional to 20,448.81, 30,654.97 and 7,298.26 is: 10,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,448.81 : 30,654.97 = 7,298.26 : x
  2. Step 2: Convert to fraction form
    20,448.81/30,654.97 = 7,298.26/x
  3. Step 3: Cross multiply
    20,448.81x = 30,654.97 × 7,298.26
  4. Step 4: Simplify right side
    20,448.81x = 223,727,941.35
  5. Step 5: Solve for x
    x = 223,727,941.35/20,448.81
  6. Step 6: Final answer
    x = 10,940.88

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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.