Home / 18,741.26-25,865.91-10,781.93

Finding the Fourth Proportional to 18,741.26, 25,865.91 and 10,781.93

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Solution

The fourth proportional to 18,741.26, 25,865.91 and 10,781.93 is: 14,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.26 : 25,865.91 = 10,781.93 : x
  2. Step 2: Convert to fraction form
    18,741.26/25,865.91 = 10,781.93/x
  3. Step 3: Cross multiply
    18,741.26x = 25,865.91 × 10,781.93
  4. Step 4: Simplify right side
    18,741.26x = 278,884,301.68
  5. Step 5: Solve for x
    x = 278,884,301.68/18,741.26
  6. Step 6: Final answer
    x = 14,880.77

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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.