Home / 13,073.06-18,040.32-7,104.60

Finding the Fourth Proportional to 13,073.06, 18,040.32 and 7,104.60

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Solution

The fourth proportional to 13,073.06, 18,040.32 and 7,104.60 is: 9,804.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.06 : 18,040.32 = 7,104.60 : x
  2. Step 2: Convert to fraction form
    13,073.06/18,040.32 = 7,104.60/x
  3. Step 3: Cross multiply
    13,073.06x = 18,040.32 × 7,104.60
  4. Step 4: Simplify right side
    13,073.06x = 128,169,257.47
  5. Step 5: Solve for x
    x = 128,169,257.47/13,073.06
  6. Step 6: Final answer
    x = 9,804.07

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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.