Home / 18,352.72-25,330.44-10,899.28

Finding the Fourth Proportional to 18,352.72, 25,330.44 and 10,899.28

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Solution

The fourth proportional to 18,352.72, 25,330.44 and 10,899.28 is: 15,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,352.72 : 25,330.44 = 10,899.28 : x
  2. Step 2: Convert to fraction form
    18,352.72/25,330.44 = 10,899.28/x
  3. Step 3: Cross multiply
    18,352.72x = 25,330.44 × 10,899.28
  4. Step 4: Simplify right side
    18,352.72x = 276,083,558.08
  5. Step 5: Solve for x
    x = 276,083,558.08/18,352.72
  6. Step 6: Final answer
    x = 15,043.20

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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.