Home / 19,486.76-26,894.34-10,990.62

Finding the Fourth Proportional to 19,486.76, 26,894.34 and 10,990.62

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Solution

The fourth proportional to 19,486.76, 26,894.34 and 10,990.62 is: 15,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.76 : 26,894.34 = 10,990.62 : x
  2. Step 2: Convert to fraction form
    19,486.76/26,894.34 = 10,990.62/x
  3. Step 3: Cross multiply
    19,486.76x = 26,894.34 × 10,990.62
  4. Step 4: Simplify right side
    19,486.76x = 295,585,471.09
  5. Step 5: Solve for x
    x = 295,585,471.09/19,486.76
  6. Step 6: Final answer
    x = 15,168.53

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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.