Home / 18,339.28-25,309.74-11,268.16

Finding the Fourth Proportional to 18,339.28, 25,309.74 and 11,268.16

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Solution

The fourth proportional to 18,339.28, 25,309.74 and 11,268.16 is: 15,551.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.28 : 25,309.74 = 11,268.16 : x
  2. Step 2: Convert to fraction form
    18,339.28/25,309.74 = 11,268.16/x
  3. Step 3: Cross multiply
    18,339.28x = 25,309.74 × 11,268.16
  4. Step 4: Simplify right side
    18,339.28x = 285,194,199.88
  5. Step 5: Solve for x
    x = 285,194,199.88/18,339.28
  6. Step 6: Final answer
    x = 15,551.00

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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.