Home / 19,374.14-26,729.44-12,663.64

Finding the Fourth Proportional to 19,374.14, 26,729.44 and 12,663.64

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Solution

The fourth proportional to 19,374.14, 26,729.44 and 12,663.64 is: 17,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,374.14 : 26,729.44 = 12,663.64 : x
  2. Step 2: Convert to fraction form
    19,374.14/26,729.44 = 12,663.64/x
  3. Step 3: Cross multiply
    19,374.14x = 26,729.44 × 12,663.64
  4. Step 4: Simplify right side
    19,374.14x = 338,492,005.56
  5. Step 5: Solve for x
    x = 338,492,005.56/19,374.14
  6. Step 6: Final answer
    x = 17,471.33

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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.