Home / 18,703.07-25,819.59-11,631.77

Finding the Fourth Proportional to 18,703.07, 25,819.59 and 11,631.77

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Solution

The fourth proportional to 18,703.07, 25,819.59 and 11,631.77 is: 16,057.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703.07 : 25,819.59 = 11,631.77 : x
  2. Step 2: Convert to fraction form
    18,703.07/25,819.59 = 11,631.77/x
  3. Step 3: Cross multiply
    18,703.07x = 25,819.59 × 11,631.77
  4. Step 4: Simplify right side
    18,703.07x = 300,327,403.28
  5. Step 5: Solve for x
    x = 300,327,403.28/18,703.07
  6. Step 6: Final answer
    x = 16,057.66

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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.