Home / 13,394.30-18,482.38-7,651.60

Finding the Fourth Proportional to 13,394.30, 18,482.38 and 7,651.60

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Solution

The fourth proportional to 13,394.30, 18,482.38 and 7,651.60 is: 10,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.30 : 18,482.38 = 7,651.60 : x
  2. Step 2: Convert to fraction form
    13,394.30/18,482.38 = 7,651.60/x
  3. Step 3: Cross multiply
    13,394.30x = 18,482.38 × 7,651.60
  4. Step 4: Simplify right side
    13,394.30x = 141,419,713.47
  5. Step 5: Solve for x
    x = 141,419,713.47/13,394.30
  6. Step 6: Final answer
    x = 10,558.21

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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.