Home / 19,847.40-27,389.61-10,894.71

Finding the Fourth Proportional to 19,847.40, 27,389.61 and 10,894.71

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Solution

The fourth proportional to 19,847.40, 27,389.61 and 10,894.71 is: 15,034.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,847.40 : 27,389.61 = 10,894.71 : x
  2. Step 2: Convert to fraction form
    19,847.40/27,389.61 = 10,894.71/x
  3. Step 3: Cross multiply
    19,847.40x = 27,389.61 × 10,894.71
  4. Step 4: Simplify right side
    19,847.40x = 298,401,857.96
  5. Step 5: Solve for x
    x = 298,401,857.96/19,847.40
  6. Step 6: Final answer
    x = 15,034.81

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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.