Home / 10,075.44-15,111.96-2,680.44

Finding the Fourth Proportional to 10,075.44, 15,111.96 and 2,680.44

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Solution

The fourth proportional to 10,075.44, 15,111.96 and 2,680.44 is: 4,020.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,075.44 : 15,111.96 = 2,680.44 : x
  2. Step 2: Convert to fraction form
    10,075.44/15,111.96 = 2,680.44/x
  3. Step 3: Cross multiply
    10,075.44x = 15,111.96 × 2,680.44
  4. Step 4: Simplify right side
    10,075.44x = 40,506,702.06
  5. Step 5: Solve for x
    x = 40,506,702.06/10,075.44
  6. Step 6: Final answer
    x = 4,020.34

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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.