Home / 13,650.56-18,837.84-7,682.32

Finding the Fourth Proportional to 13,650.56, 18,837.84 and 7,682.32

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Solution

The fourth proportional to 13,650.56, 18,837.84 and 7,682.32 is: 10,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.56 : 18,837.84 = 7,682.32 : x
  2. Step 2: Convert to fraction form
    13,650.56/18,837.84 = 7,682.32/x
  3. Step 3: Cross multiply
    13,650.56x = 18,837.84 × 7,682.32
  4. Step 4: Simplify right side
    13,650.56x = 144,718,314.99
  5. Step 5: Solve for x
    x = 144,718,314.99/13,650.56
  6. Step 6: Final answer
    x = 10,601.64

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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.