Home / 19,845.05-27,386.08-10,770.41

Finding the Fourth Proportional to 19,845.05, 27,386.08 and 10,770.41

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Solution

The fourth proportional to 19,845.05, 27,386.08 and 10,770.41 is: 14,863.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.05 : 27,386.08 = 10,770.41 : x
  2. Step 2: Convert to fraction form
    19,845.05/27,386.08 = 10,770.41/x
  3. Step 3: Cross multiply
    19,845.05x = 27,386.08 × 10,770.41
  4. Step 4: Simplify right side
    19,845.05x = 294,959,351.43
  5. Step 5: Solve for x
    x = 294,959,351.43/19,845.05
  6. Step 6: Final answer
    x = 14,863.12

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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.