Home / 13,723.27-18,938.18-7,435.65

Finding the Fourth Proportional to 13,723.27, 18,938.18 and 7,435.65

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Solution

The fourth proportional to 13,723.27, 18,938.18 and 7,435.65 is: 10,261.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.27 : 18,938.18 = 7,435.65 : x
  2. Step 2: Convert to fraction form
    13,723.27/18,938.18 = 7,435.65/x
  3. Step 3: Cross multiply
    13,723.27x = 18,938.18 × 7,435.65
  4. Step 4: Simplify right side
    13,723.27x = 140,817,625.69
  5. Step 5: Solve for x
    x = 140,817,625.69/13,723.27
  6. Step 6: Final answer
    x = 10,261.23

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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.