Home / 18,736.38-25,859.66-10,779.35

Finding the Fourth Proportional to 18,736.38, 25,859.66 and 10,779.35

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Solution

The fourth proportional to 18,736.38, 25,859.66 and 10,779.35 is: 14,877.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.38 : 25,859.66 = 10,779.35 : x
  2. Step 2: Convert to fraction form
    18,736.38/25,859.66 = 10,779.35/x
  3. Step 3: Cross multiply
    18,736.38x = 25,859.66 × 10,779.35
  4. Step 4: Simplify right side
    18,736.38x = 278,750,142.83
  5. Step 5: Solve for x
    x = 278,750,142.83/18,736.38
  6. Step 6: Final answer
    x = 14,877.48

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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.