Finding the Fourth Proportional to 14,460, 19,996.80 and 14,197.44
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Solution
The fourth proportional to 14,460, 19,996.80 and 14,197.44 is: 19,633.70
Step by Step Solution
- Step 1: Write the proportion equation
14,460 : 19,996.80 = 14,197.44 : x - Step 2: Convert to fraction form
14,460/19,996.80 = 14,197.44/x - Step 3: Cross multiply
14,460x = 19,996.80 × 14,197.44 - Step 4: Simplify right side
14,460x = 283,903,368.19 - Step 5: Solve for x
x = 283,903,368.19/14,460 - Step 6: Final answer
x = 19,633.70
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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.