Home / 20,244.08-30,356.40-11,476.64

Finding the Fourth Proportional to 20,244.08, 30,356.40 and 11,476.64

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Solution

The fourth proportional to 20,244.08, 30,356.40 and 11,476.64 is: 17,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.08 : 30,356.40 = 11,476.64 : x
  2. Step 2: Convert to fraction form
    20,244.08/30,356.40 = 11,476.64/x
  3. Step 3: Cross multiply
    20,244.08x = 30,356.40 × 11,476.64
  4. Step 4: Simplify right side
    20,244.08x = 348,389,474.50
  5. Step 5: Solve for x
    x = 348,389,474.50/20,244.08
  6. Step 6: Final answer
    x = 17,209.45

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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.