Home / 19,492.17-26,900.79-10,993.86

Finding the Fourth Proportional to 19,492.17, 26,900.79 and 10,993.86

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Solution

The fourth proportional to 19,492.17, 26,900.79 and 10,993.86 is: 15,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492.17 : 26,900.79 = 10,993.86 : x
  2. Step 2: Convert to fraction form
    19,492.17/26,900.79 = 10,993.86/x
  3. Step 3: Cross multiply
    19,492.17x = 26,900.79 × 10,993.86
  4. Step 4: Simplify right side
    19,492.17x = 295,743,519.15
  5. Step 5: Solve for x
    x = 295,743,519.15/19,492.17
  6. Step 6: Final answer
    x = 15,172.43

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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.