Finding the Fourth Proportional to 14,136.62, 19,508.54 and 7,848.99
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Solution
The fourth proportional to 14,136.62, 19,508.54 and 7,848.99 is: 10,831.61
Step by Step Solution
- Step 1: Write the proportion equation
14,136.62 : 19,508.54 = 7,848.99 : x - Step 2: Convert to fraction form
14,136.62/19,508.54 = 7,848.99/x - Step 3: Cross multiply
14,136.62x = 19,508.54 × 7,848.99 - Step 4: Simplify right side
14,136.62x = 153,122,296.13 - Step 5: Solve for x
x = 153,122,296.13/14,136.62 - Step 6: Final answer
x = 10,831.61
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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.