Finding the Fourth Proportional to 14,207.05, 21,286.31 and 10,038.99
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Solution
The fourth proportional to 14,207.05, 21,286.31 and 10,038.99 is: 15,041.34
Step by Step Solution
- Step 1: Write the proportion equation
14,207.05 : 21,286.31 = 10,038.99 : x - Step 2: Convert to fraction form
14,207.05/21,286.31 = 10,038.99/x - Step 3: Cross multiply
14,207.05x = 21,286.31 × 10,038.99 - Step 4: Simplify right side
14,207.05x = 213,693,053.23 - Step 5: Solve for x
x = 213,693,053.23/14,207.05 - Step 6: Final answer
x = 15,041.34
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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.