Home / 13,441.60-18,548.85-7,473.70

Finding the Fourth Proportional to 13,441.60, 18,548.85 and 7,473.70

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Solution

The fourth proportional to 13,441.60, 18,548.85 and 7,473.70 is: 10,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.60 : 18,548.85 = 7,473.70 : x
  2. Step 2: Convert to fraction form
    13,441.60/18,548.85 = 7,473.70/x
  3. Step 3: Cross multiply
    13,441.60x = 18,548.85 × 7,473.70
  4. Step 4: Simplify right side
    13,441.60x = 138,628,540.25
  5. Step 5: Solve for x
    x = 138,628,540.25/13,441.60
  6. Step 6: Final answer
    x = 10,313.40

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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.