Home / 19,378.60-26,742.18-10,994.92

Finding the Fourth Proportional to 19,378.60, 26,742.18 and 10,994.92

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Solution

The fourth proportional to 19,378.60, 26,742.18 and 10,994.92 is: 15,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378.60 : 26,742.18 = 10,994.92 : x
  2. Step 2: Convert to fraction form
    19,378.60/26,742.18 = 10,994.92/x
  3. Step 3: Cross multiply
    19,378.60x = 26,742.18 × 10,994.92
  4. Step 4: Simplify right side
    19,378.60x = 294,028,129.73
  5. Step 5: Solve for x
    x = 294,028,129.73/19,378.60
  6. Step 6: Final answer
    x = 15,172.83

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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.