Home / 15,769.26-21,757.23-9,054.54

Finding the Fourth Proportional to 15,769.26, 21,757.23 and 9,054.54

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Solution

The fourth proportional to 15,769.26, 21,757.23 and 9,054.54 is: 12,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769.26 : 21,757.23 = 9,054.54 : x
  2. Step 2: Convert to fraction form
    15,769.26/21,757.23 = 9,054.54/x
  3. Step 3: Cross multiply
    15,769.26x = 21,757.23 × 9,054.54
  4. Step 4: Simplify right side
    15,769.26x = 197,001,709.32
  5. Step 5: Solve for x
    x = 197,001,709.32/15,769.26
  6. Step 6: Final answer
    x = 12,492.77

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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.