Finding the Fourth Proportional to 10,448.93, 15,673.49 and 2,657.74
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Solution
The fourth proportional to 10,448.93, 15,673.49 and 2,657.74 is: 3,986.63
Step by Step Solution
- Step 1: Write the proportion equation
10,448.93 : 15,673.49 = 2,657.74 : x - Step 2: Convert to fraction form
10,448.93/15,673.49 = 2,657.74/x - Step 3: Cross multiply
10,448.93x = 15,673.49 × 2,657.74 - Step 4: Simplify right side
10,448.93x = 41,656,061.31 - Step 5: Solve for x
x = 41,656,061.31/10,448.93 - Step 6: Final answer
x = 3,986.63
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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.