Home / 9,316.95-13,972.44-3,075.80

Finding the Fourth Proportional to 9,316.95, 13,972.44 and 3,075.80

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Solution

The fourth proportional to 9,316.95, 13,972.44 and 3,075.80 is: 4,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.95 : 13,972.44 = 3,075.80 : x
  2. Step 2: Convert to fraction form
    9,316.95/13,972.44 = 3,075.80/x
  3. Step 3: Cross multiply
    9,316.95x = 13,972.44 × 3,075.80
  4. Step 4: Simplify right side
    9,316.95x = 42,976,361.09
  5. Step 5: Solve for x
    x = 42,976,361.09/9,316.95
  6. Step 6: Final answer
    x = 4,612.71

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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.