Home / 18,274.77-25,219.44-9,891.27

Finding the Fourth Proportional to 18,274.77, 25,219.44 and 9,891.27

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Solution

The fourth proportional to 18,274.77, 25,219.44 and 9,891.27 is: 13,650.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.77 : 25,219.44 = 9,891.27 : x
  2. Step 2: Convert to fraction form
    18,274.77/25,219.44 = 9,891.27/x
  3. Step 3: Cross multiply
    18,274.77x = 25,219.44 × 9,891.27
  4. Step 4: Simplify right side
    18,274.77x = 249,452,290.29
  5. Step 5: Solve for x
    x = 249,452,290.29/18,274.77
  6. Step 6: Final answer
    x = 13,650.09

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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.