Finding the Fourth Proportional to 14,159.64, 21,239.50 and 4,299
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Solution
The fourth proportional to 14,159.64, 21,239.50 and 4,299 is: 6,448.51
Step by Step Solution
- Step 1: Write the proportion equation
14,159.64 : 21,239.50 = 4,299 : x - Step 2: Convert to fraction form
14,159.64/21,239.50 = 4,299/x - Step 3: Cross multiply
14,159.64x = 21,239.50 × 4,299 - Step 4: Simplify right side
14,159.64x = 91,308,610.50 - Step 5: Solve for x
x = 91,308,610.50/14,159.64 - Step 6: Final answer
x = 6,448.51
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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.