Home / 19,618.95-27,060.44-12,902.43

Finding the Fourth Proportional to 19,618.95, 27,060.44 and 12,902.43

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Solution

The fourth proportional to 19,618.95, 27,060.44 and 12,902.43 is: 17,796.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.95 : 27,060.44 = 12,902.43 : x
  2. Step 2: Convert to fraction form
    19,618.95/27,060.44 = 12,902.43/x
  3. Step 3: Cross multiply
    19,618.95x = 27,060.44 × 12,902.43
  4. Step 4: Simplify right side
    19,618.95x = 349,145,315.26
  5. Step 5: Solve for x
    x = 349,145,315.26/19,618.95
  6. Step 6: Final answer
    x = 17,796.33

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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.