Home / 15,075.51-22,616.51-5,081.25

Finding the Fourth Proportional to 15,075.51, 22,616.51 and 5,081.25

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Solution

The fourth proportional to 15,075.51, 22,616.51 and 5,081.25 is: 7,622.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.51 : 22,616.51 = 5,081.25 : x
  2. Step 2: Convert to fraction form
    15,075.51/22,616.51 = 5,081.25/x
  3. Step 3: Cross multiply
    15,075.51x = 22,616.51 × 5,081.25
  4. Step 4: Simplify right side
    15,075.51x = 114,920,141.44
  5. Step 5: Solve for x
    x = 114,920,141.44/15,075.51
  6. Step 6: Final answer
    x = 7,622.97

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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.