Finding the Fourth Proportional to 19,334.25, 26,679.99 and 11,374.93
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Solution
The fourth proportional to 19,334.25, 26,679.99 and 11,374.93 is: 15,696.65
Step by Step Solution
- Step 1: Write the proportion equation
19,334.25 : 26,679.99 = 11,374.93 : x - Step 2: Convert to fraction form
19,334.25/26,679.99 = 11,374.93/x - Step 3: Cross multiply
19,334.25x = 26,679.99 × 11,374.93 - Step 4: Simplify right side
19,334.25x = 303,483,018.65 - Step 5: Solve for x
x = 303,483,018.65/19,334.25 - Step 6: Final answer
x = 15,696.65
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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.