Home / 18,949.95-28,424.93-7,271.37

Finding the Fourth Proportional to 18,949.95, 28,424.93 and 7,271.37

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Solution

The fourth proportional to 18,949.95, 28,424.93 and 7,271.37 is: 10,907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.95 : 28,424.93 = 7,271.37 : x
  2. Step 2: Convert to fraction form
    18,949.95/28,424.93 = 7,271.37/x
  3. Step 3: Cross multiply
    18,949.95x = 28,424.93 × 7,271.37
  4. Step 4: Simplify right side
    18,949.95x = 206,688,146.90
  5. Step 5: Solve for x
    x = 206,688,146.90/18,949.95
  6. Step 6: Final answer
    x = 10,907.06

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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.