Finding the Fourth Proportional to 19,967.34, 27,554.94 and 11,014.84
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Solution
The fourth proportional to 19,967.34, 27,554.94 and 11,014.84 is: 15,200.49
Step by Step Solution
- Step 1: Write the proportion equation
19,967.34 : 27,554.94 = 11,014.84 : x - Step 2: Convert to fraction form
19,967.34/27,554.94 = 11,014.84/x - Step 3: Cross multiply
19,967.34x = 27,554.94 × 11,014.84 - Step 4: Simplify right side
19,967.34x = 303,513,255.31 - Step 5: Solve for x
x = 303,513,255.31/19,967.34 - Step 6: Final answer
x = 15,200.49
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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.