Home / 13,074.64-18,044.54-7,769.46

Finding the Fourth Proportional to 13,074.64, 18,044.54 and 7,769.46

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Solution

The fourth proportional to 13,074.64, 18,044.54 and 7,769.46 is: 10,722.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.64 : 18,044.54 = 7,769.46 : x
  2. Step 2: Convert to fraction form
    13,074.64/18,044.54 = 7,769.46/x
  3. Step 3: Cross multiply
    13,074.64x = 18,044.54 × 7,769.46
  4. Step 4: Simplify right side
    13,074.64x = 140,196,202.68
  5. Step 5: Solve for x
    x = 140,196,202.68/13,074.64
  6. Step 6: Final answer
    x = 10,722.76

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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.