Home / 11,054.79-15,251.43-7,075.26

Finding the Fourth Proportional to 11,054.79, 15,251.43 and 7,075.26

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Solution

The fourth proportional to 11,054.79, 15,251.43 and 7,075.26 is: 9,761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.79 : 15,251.43 = 7,075.26 : x
  2. Step 2: Convert to fraction form
    11,054.79/15,251.43 = 7,075.26/x
  3. Step 3: Cross multiply
    11,054.79x = 15,251.43 × 7,075.26
  4. Step 4: Simplify right side
    11,054.79x = 107,907,832.62
  5. Step 5: Solve for x
    x = 107,907,832.62/11,054.79
  6. Step 6: Final answer
    x = 9,761.18

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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.