Finding the Fourth Proportional to 14,239.70, 19,651.08 and 7,952.08
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Solution
The fourth proportional to 14,239.70, 19,651.08 and 7,952.08 is: 10,974.03
Step by Step Solution
- Step 1: Write the proportion equation
14,239.70 : 19,651.08 = 7,952.08 : x - Step 2: Convert to fraction form
14,239.70/19,651.08 = 7,952.08/x - Step 3: Cross multiply
14,239.70x = 19,651.08 × 7,952.08 - Step 4: Simplify right side
14,239.70x = 156,266,960.25 - Step 5: Solve for x
x = 156,266,960.25/14,239.70 - Step 6: Final answer
x = 10,974.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.