Home / 13,723.96-18,939.08-7,436.33

Finding the Fourth Proportional to 13,723.96, 18,939.08 and 7,436.33

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Solution

The fourth proportional to 13,723.96, 18,939.08 and 7,436.33 is: 10,262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.96 : 18,939.08 = 7,436.33 : x
  2. Step 2: Convert to fraction form
    13,723.96/18,939.08 = 7,436.33/x
  3. Step 3: Cross multiply
    13,723.96x = 18,939.08 × 7,436.33
  4. Step 4: Simplify right side
    13,723.96x = 140,837,248.78
  5. Step 5: Solve for x
    x = 140,837,248.78/13,723.96
  6. Step 6: Final answer
    x = 10,262.14

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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.