Home / 13,515.32-18,651.02-7,546.93

Finding the Fourth Proportional to 13,515.32, 18,651.02 and 7,546.93

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Solution

The fourth proportional to 13,515.32, 18,651.02 and 7,546.93 is: 10,414.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515.32 : 18,651.02 = 7,546.93 : x
  2. Step 2: Convert to fraction form
    13,515.32/18,651.02 = 7,546.93/x
  3. Step 3: Cross multiply
    13,515.32x = 18,651.02 × 7,546.93
  4. Step 4: Simplify right side
    13,515.32x = 140,757,858.01
  5. Step 5: Solve for x
    x = 140,757,858.01/13,515.32
  6. Step 6: Final answer
    x = 10,414.69

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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.