Finding the Fourth Proportional to 19,109.12, 26,369.14 and 10,724
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Solution
The fourth proportional to 19,109.12, 26,369.14 and 10,724 is: 14,798.31
Step by Step Solution
- Step 1: Write the proportion equation
19,109.12 : 26,369.14 = 10,724 : x - Step 2: Convert to fraction form
19,109.12/26,369.14 = 10,724/x - Step 3: Cross multiply
19,109.12x = 26,369.14 × 10,724 - Step 4: Simplify right side
19,109.12x = 282,782,657.36 - Step 5: Solve for x
x = 282,782,657.36/19,109.12 - Step 6: Final answer
x = 14,798.31
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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.