Home / 19,702.48-27,189.19-10,749.79

Finding the Fourth Proportional to 19,702.48, 27,189.19 and 10,749.79

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Solution

The fourth proportional to 19,702.48, 27,189.19 and 10,749.79 is: 14,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.48 : 27,189.19 = 10,749.79 : x
  2. Step 2: Convert to fraction form
    19,702.48/27,189.19 = 10,749.79/x
  3. Step 3: Cross multiply
    19,702.48x = 27,189.19 × 10,749.79
  4. Step 4: Simplify right side
    19,702.48x = 292,278,083.96
  5. Step 5: Solve for x
    x = 292,278,083.96/19,702.48
  6. Step 6: Final answer
    x = 14,834.58

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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.