Home / 15,769.44-21,741.52-12,926.24

Finding the Fourth Proportional to 15,769.44, 21,741.52 and 12,926.24

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Solution

The fourth proportional to 15,769.44, 21,741.52 and 12,926.24 is: 17,821.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769.44 : 21,741.52 = 12,926.24 : x
  2. Step 2: Convert to fraction form
    15,769.44/21,741.52 = 12,926.24/x
  3. Step 3: Cross multiply
    15,769.44x = 21,741.52 × 12,926.24
  4. Step 4: Simplify right side
    15,769.44x = 281,036,105.48
  5. Step 5: Solve for x
    x = 281,036,105.48/15,769.44
  6. Step 6: Final answer
    x = 17,821.57

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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.