Home / 14,884.49-20,540.25-9,579.30

Finding the Fourth Proportional to 14,884.49, 20,540.25 and 9,579.30

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Solution

The fourth proportional to 14,884.49, 20,540.25 and 9,579.30 is: 13,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,884.49 : 20,540.25 = 9,579.30 : x
  2. Step 2: Convert to fraction form
    14,884.49/20,540.25 = 9,579.30/x
  3. Step 3: Cross multiply
    14,884.49x = 20,540.25 × 9,579.30
  4. Step 4: Simplify right side
    14,884.49x = 196,761,216.83
  5. Step 5: Solve for x
    x = 196,761,216.83/14,884.49
  6. Step 6: Final answer
    x = 13,219.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.