Home / 13,073.09-18,040.85-7,104.75

Finding the Fourth Proportional to 13,073.09, 18,040.85 and 7,104.75

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Solution

The fourth proportional to 13,073.09, 18,040.85 and 7,104.75 is: 9,804.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.09 : 18,040.85 = 7,104.75 : x
  2. Step 2: Convert to fraction form
    13,073.09/18,040.85 = 7,104.75/x
  3. Step 3: Cross multiply
    13,073.09x = 18,040.85 × 7,104.75
  4. Step 4: Simplify right side
    13,073.09x = 128,175,652.50
  5. Step 5: Solve for x
    x = 128,175,652.50/13,073.09
  6. Step 6: Final answer
    x = 9,804.54

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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.