Home / 13,667.00-18,841.21-10,313.60

Finding the Fourth Proportional to 13,667.00, 18,841.21 and 10,313.60

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Solution

The fourth proportional to 13,667.00, 18,841.21 and 10,313.60 is: 14,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667.00 : 18,841.21 = 10,313.60 : x
  2. Step 2: Convert to fraction form
    13,667.00/18,841.21 = 10,313.60/x
  3. Step 3: Cross multiply
    13,667.00x = 18,841.21 × 10,313.60
  4. Step 4: Simplify right side
    13,667.00x = 194,320,583.47
  5. Step 5: Solve for x
    x = 194,320,583.47/13,667.00
  6. Step 6: Final answer
    x = 14,218.24

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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.