Home / 13,381.56-20,045.09-6,340.23

Finding the Fourth Proportional to 13,381.56, 20,045.09 and 6,340.23

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Solution

The fourth proportional to 13,381.56, 20,045.09 and 6,340.23 is: 9,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381.56 : 20,045.09 = 6,340.23 : x
  2. Step 2: Convert to fraction form
    13,381.56/20,045.09 = 6,340.23/x
  3. Step 3: Cross multiply
    13,381.56x = 20,045.09 × 6,340.23
  4. Step 4: Simplify right side
    13,381.56x = 127,090,449.27
  5. Step 5: Solve for x
    x = 127,090,449.27/13,381.56
  6. Step 6: Final answer
    x = 9,497.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.