Home / 19,845.34-27,386.88-10,893.66

Finding the Fourth Proportional to 19,845.34, 27,386.88 and 10,893.66

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Solution

The fourth proportional to 19,845.34, 27,386.88 and 10,893.66 is: 15,033.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.34 : 27,386.88 = 10,893.66 : x
  2. Step 2: Convert to fraction form
    19,845.34/27,386.88 = 10,893.66/x
  3. Step 3: Cross multiply
    19,845.34x = 27,386.88 × 10,893.66
  4. Step 4: Simplify right side
    19,845.34x = 298,343,215.63
  5. Step 5: Solve for x
    x = 298,343,215.63/19,845.34
  6. Step 6: Final answer
    x = 15,033.42

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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.