Home / 13,453.21-18,591.04-10,090.19

Finding the Fourth Proportional to 13,453.21, 18,591.04 and 10,090.19

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Solution

The fourth proportional to 13,453.21, 18,591.04 and 10,090.19 is: 13,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.21 : 18,591.04 = 10,090.19 : x
  2. Step 2: Convert to fraction form
    13,453.21/18,591.04 = 10,090.19/x
  3. Step 3: Cross multiply
    13,453.21x = 18,591.04 × 10,090.19
  4. Step 4: Simplify right side
    13,453.21x = 187,587,084.16
  5. Step 5: Solve for x
    x = 187,587,084.16/13,453.21
  6. Step 6: Final answer
    x = 13,943.66

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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.