Finding the Fourth Proportional to 16,371.16, 24,559.80 and 8,971.54
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Solution
The fourth proportional to 16,371.16, 24,559.80 and 8,971.54 is: 13,458.99
Step by Step Solution
- Step 1: Write the proportion equation
16,371.16 : 24,559.80 = 8,971.54 : x - Step 2: Convert to fraction form
16,371.16/24,559.80 = 8,971.54/x - Step 3: Cross multiply
16,371.16x = 24,559.80 × 8,971.54 - Step 4: Simplify right side
16,371.16x = 220,339,228.09 - Step 5: Solve for x
x = 220,339,228.09/16,371.16 - Step 6: Final answer
x = 13,458.99
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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.