Home / 19,490.24-26,895.92-10,994.96

Finding the Fourth Proportional to 19,490.24, 26,895.92 and 10,994.96

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Solution

The fourth proportional to 19,490.24, 26,895.92 and 10,994.96 is: 15,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.24 : 26,895.92 = 10,994.96 : x
  2. Step 2: Convert to fraction form
    19,490.24/26,895.92 = 10,994.96/x
  3. Step 3: Cross multiply
    19,490.24x = 26,895.92 × 10,994.96
  4. Step 4: Simplify right side
    19,490.24x = 295,719,564.56
  5. Step 5: Solve for x
    x = 295,719,564.56/19,490.24
  6. Step 6: Final answer
    x = 15,172.70

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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.