Finding the Fourth Proportional to 10,177.42, 15,269.23 and 6,858.99
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Solution
The fourth proportional to 10,177.42, 15,269.23 and 6,858.99 is: 10,290.57
Step by Step Solution
- Step 1: Write the proportion equation
10,177.42 : 15,269.23 = 6,858.99 : x - Step 2: Convert to fraction form
10,177.42/15,269.23 = 6,858.99/x - Step 3: Cross multiply
10,177.42x = 15,269.23 × 6,858.99 - Step 4: Simplify right side
10,177.42x = 104,731,495.88 - Step 5: Solve for x
x = 104,731,495.88/10,177.42 - Step 6: Final answer
x = 10,290.57
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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.