Finding the Fourth Proportional to 10,340.84, 15,506.60 and 2,943.52
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Solution
The fourth proportional to 10,340.84, 15,506.60 and 2,943.52 is: 4,413.95
Step by Step Solution
- Step 1: Write the proportion equation
10,340.84 : 15,506.60 = 2,943.52 : x - Step 2: Convert to fraction form
10,340.84/15,506.60 = 2,943.52/x - Step 3: Cross multiply
10,340.84x = 15,506.60 × 2,943.52 - Step 4: Simplify right side
10,340.84x = 45,643,987.23 - Step 5: Solve for x
x = 45,643,987.23/10,340.84 - Step 6: Final answer
x = 4,413.95
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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.