Finding the Fourth Proportional to 19,111.12, 26,371.90 and 10,726
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Solution
The fourth proportional to 19,111.12, 26,371.90 and 10,726 is: 14,801.07
Step by Step Solution
- Step 1: Write the proportion equation
19,111.12 : 26,371.90 = 10,726 : x - Step 2: Convert to fraction form
19,111.12/26,371.90 = 10,726/x - Step 3: Cross multiply
19,111.12x = 26,371.90 × 10,726 - Step 4: Simplify right side
19,111.12x = 282,864,999.40 - Step 5: Solve for x
x = 282,864,999.40/19,111.12 - Step 6: Final answer
x = 14,801.07
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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.