Home / 10,012.43-13,822.44-7,769.27

Finding the Fourth Proportional to 10,012.43, 13,822.44 and 7,769.27

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Solution

The fourth proportional to 10,012.43, 13,822.44 and 7,769.27 is: 10,725.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.43 : 13,822.44 = 7,769.27 : x
  2. Step 2: Convert to fraction form
    10,012.43/13,822.44 = 7,769.27/x
  3. Step 3: Cross multiply
    10,012.43x = 13,822.44 × 7,769.27
  4. Step 4: Simplify right side
    10,012.43x = 107,390,268.42
  5. Step 5: Solve for x
    x = 107,390,268.42/10,012.43
  6. Step 6: Final answer
    x = 10,725.69

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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.