Home / 19,803.11-27,328.32-10,850.45

Finding the Fourth Proportional to 19,803.11, 27,328.32 and 10,850.45

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Solution

The fourth proportional to 19,803.11, 27,328.32 and 10,850.45 is: 14,973.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,803.11 : 27,328.32 = 10,850.45 : x
  2. Step 2: Convert to fraction form
    19,803.11/27,328.32 = 10,850.45/x
  3. Step 3: Cross multiply
    19,803.11x = 27,328.32 × 10,850.45
  4. Step 4: Simplify right side
    19,803.11x = 296,524,433.10
  5. Step 5: Solve for x
    x = 296,524,433.10/19,803.11
  6. Step 6: Final answer
    x = 14,973.63

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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.