Home / 19,853.85-27,398.63-10,902.18

Finding the Fourth Proportional to 19,853.85, 27,398.63 and 10,902.18

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Solution

The fourth proportional to 19,853.85, 27,398.63 and 10,902.18 is: 15,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.85 : 27,398.63 = 10,902.18 : x
  2. Step 2: Convert to fraction form
    19,853.85/27,398.63 = 10,902.18/x
  3. Step 3: Cross multiply
    19,853.85x = 27,398.63 × 10,902.18
  4. Step 4: Simplify right side
    19,853.85x = 298,704,796.01
  5. Step 5: Solve for x
    x = 298,704,796.01/19,853.85
  6. Step 6: Final answer
    x = 15,045.18

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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.