Home / 9,279.51-13,914.94-5,385.03

Finding the Fourth Proportional to 9,279.51, 13,914.94 and 5,385.03

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Solution

The fourth proportional to 9,279.51, 13,914.94 and 5,385.03 is: 8,075.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.51 : 13,914.94 = 5,385.03 : x
  2. Step 2: Convert to fraction form
    9,279.51/13,914.94 = 5,385.03/x
  3. Step 3: Cross multiply
    9,279.51x = 13,914.94 × 5,385.03
  4. Step 4: Simplify right side
    9,279.51x = 74,932,369.35
  5. Step 5: Solve for x
    x = 74,932,369.35/9,279.51
  6. Step 6: Final answer
    x = 8,075.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.