Home / 13,059.29-18,008.52-11,619.11

Finding the Fourth Proportional to 13,059.29, 18,008.52 and 11,619.11

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Solution

The fourth proportional to 13,059.29, 18,008.52 and 11,619.11 is: 16,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.29 : 18,008.52 = 11,619.11 : x
  2. Step 2: Convert to fraction form
    13,059.29/18,008.52 = 11,619.11/x
  3. Step 3: Cross multiply
    13,059.29x = 18,008.52 × 11,619.11
  4. Step 4: Simplify right side
    13,059.29x = 209,242,884.77
  5. Step 5: Solve for x
    x = 209,242,884.77/13,059.29
  6. Step 6: Final answer
    x = 16,022.54

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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.