Home / 19,741.30-27,243.37-10,789.35

Finding the Fourth Proportional to 19,741.30, 27,243.37 and 10,789.35

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Solution

The fourth proportional to 19,741.30, 27,243.37 and 10,789.35 is: 14,889.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.30 : 27,243.37 = 10,789.35 : x
  2. Step 2: Convert to fraction form
    19,741.30/27,243.37 = 10,789.35/x
  3. Step 3: Cross multiply
    19,741.30x = 27,243.37 × 10,789.35
  4. Step 4: Simplify right side
    19,741.30x = 293,938,117.89
  5. Step 5: Solve for x
    x = 293,938,117.89/19,741.30
  6. Step 6: Final answer
    x = 14,889.51

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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.