Home / 19,331.64-26,677.13-11,374.34

Finding the Fourth Proportional to 19,331.64, 26,677.13 and 11,374.34

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Solution

The fourth proportional to 19,331.64, 26,677.13 and 11,374.34 is: 15,696.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.64 : 26,677.13 = 11,374.34 : x
  2. Step 2: Convert to fraction form
    19,331.64/26,677.13 = 11,374.34/x
  3. Step 3: Cross multiply
    19,331.64x = 26,677.13 × 11,374.34
  4. Step 4: Simplify right side
    19,331.64x = 303,434,556.59
  5. Step 5: Solve for x
    x = 303,434,556.59/19,331.64
  6. Step 6: Final answer
    x = 15,696.27

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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.