Home / 13,059.09-18,022.38-7,956.48

Finding the Fourth Proportional to 13,059.09, 18,022.38 and 7,956.48

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Solution

The fourth proportional to 13,059.09, 18,022.38 and 7,956.48 is: 10,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.09 : 18,022.38 = 7,956.48 : x
  2. Step 2: Convert to fraction form
    13,059.09/18,022.38 = 7,956.48/x
  3. Step 3: Cross multiply
    13,059.09x = 18,022.38 × 7,956.48
  4. Step 4: Simplify right side
    13,059.09x = 143,394,706.02
  5. Step 5: Solve for x
    x = 143,394,706.02/13,059.09
  6. Step 6: Final answer
    x = 10,980.45

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Double scale
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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.