Home / 19,803.21-27,328.55-10,851.09

Finding the Fourth Proportional to 19,803.21, 27,328.55 and 10,851.09

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Solution

The fourth proportional to 19,803.21, 27,328.55 and 10,851.09 is: 14,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,803.21 : 27,328.55 = 10,851.09 : x
  2. Step 2: Convert to fraction form
    19,803.21/27,328.55 = 10,851.09/x
  3. Step 3: Cross multiply
    19,803.21x = 27,328.55 × 10,851.09
  4. Step 4: Simplify right side
    19,803.21x = 296,544,555.62
  5. Step 5: Solve for x
    x = 296,544,555.62/19,803.21
  6. Step 6: Final answer
    x = 14,974.57

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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.