Home / 19,741.40-27,243.06-10,788.68

Finding the Fourth Proportional to 19,741.40, 27,243.06 and 10,788.68

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Solution

The fourth proportional to 19,741.40, 27,243.06 and 10,788.68 is: 14,888.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.40 : 27,243.06 = 10,788.68 : x
  2. Step 2: Convert to fraction form
    19,741.40/27,243.06 = 10,788.68/x
  3. Step 3: Cross multiply
    19,741.40x = 27,243.06 × 10,788.68
  4. Step 4: Simplify right side
    19,741.40x = 293,916,656.56
  5. Step 5: Solve for x
    x = 293,916,656.56/19,741.40
  6. Step 6: Final answer
    x = 14,888.34

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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.