Home / 19,741.15-27,241.62-10,788.72

Finding the Fourth Proportional to 19,741.15, 27,241.62 and 10,788.72

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Solution

The fourth proportional to 19,741.15, 27,241.62 and 10,788.72 is: 14,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,741.15 : 27,241.62 = 10,788.72 : x
  2. Step 2: Convert to fraction form
    19,741.15/27,241.62 = 10,788.72/x
  3. Step 3: Cross multiply
    19,741.15x = 27,241.62 × 10,788.72
  4. Step 4: Simplify right side
    19,741.15x = 293,902,210.53
  5. Step 5: Solve for x
    x = 293,902,210.53/19,741.15
  6. Step 6: Final answer
    x = 14,887.80

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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.