Home / 13,090.29-19,627.97-8,935.33

Finding the Fourth Proportional to 13,090.29, 19,627.97 and 8,935.33

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Solution

The fourth proportional to 13,090.29, 19,627.97 and 8,935.33 is: 13,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.29 : 19,627.97 = 8,935.33 : x
  2. Step 2: Convert to fraction form
    13,090.29/19,627.97 = 8,935.33/x
  3. Step 3: Cross multiply
    13,090.29x = 19,627.97 × 8,935.33
  4. Step 4: Simplify right side
    13,090.29x = 175,382,389.18
  5. Step 5: Solve for x
    x = 175,382,389.18/13,090.29
  6. Step 6: Final answer
    x = 13,397.90

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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.