Home / 19,853.09-27,396.02-10,900.55

Finding the Fourth Proportional to 19,853.09, 27,396.02 and 10,900.55

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Solution

The fourth proportional to 19,853.09, 27,396.02 and 10,900.55 is: 15,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.09 : 27,396.02 = 10,900.55 : x
  2. Step 2: Convert to fraction form
    19,853.09/27,396.02 = 10,900.55/x
  3. Step 3: Cross multiply
    19,853.09x = 27,396.02 × 10,900.55
  4. Step 4: Simplify right side
    19,853.09x = 298,631,576.08
  5. Step 5: Solve for x
    x = 298,631,576.08/19,853.09
  6. Step 6: Final answer
    x = 15,042.07

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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.