Home / 10,085.50-13,907.46-6,105.16

Finding the Fourth Proportional to 10,085.50, 13,907.46 and 6,105.16

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Solution

The fourth proportional to 10,085.50, 13,907.46 and 6,105.16 is: 8,418.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.50 : 13,907.46 = 6,105.16 : x
  2. Step 2: Convert to fraction form
    10,085.50/13,907.46 = 6,105.16/x
  3. Step 3: Cross multiply
    10,085.50x = 13,907.46 × 6,105.16
  4. Step 4: Simplify right side
    10,085.50x = 84,907,268.49
  5. Step 5: Solve for x
    x = 84,907,268.49/10,085.50
  6. Step 6: Final answer
    x = 8,418.75

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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.