Home / 13,537.26-18,681.37-7,568.91

Finding the Fourth Proportional to 13,537.26, 18,681.37 and 7,568.91

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Solution

The fourth proportional to 13,537.26, 18,681.37 and 7,568.91 is: 10,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.26 : 18,681.37 = 7,568.91 : x
  2. Step 2: Convert to fraction form
    13,537.26/18,681.37 = 7,568.91/x
  3. Step 3: Cross multiply
    13,537.26x = 18,681.37 × 7,568.91
  4. Step 4: Simplify right side
    13,537.26x = 141,397,589.28
  5. Step 5: Solve for x
    x = 141,397,589.28/13,537.26
  6. Step 6: Final answer
    x = 10,445.07

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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.