Finding the Fourth Proportional to 13,026.48, 17,957.88 and 9,294
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Solution
The fourth proportional to 13,026.48, 17,957.88 and 9,294 is: 12,812.40
Step by Step Solution
- Step 1: Write the proportion equation
13,026.48 : 17,957.88 = 9,294 : x - Step 2: Convert to fraction form
13,026.48/17,957.88 = 9,294/x - Step 3: Cross multiply
13,026.48x = 17,957.88 × 9,294 - Step 4: Simplify right side
13,026.48x = 166,900,536.72 - Step 5: Solve for x
x = 166,900,536.72/13,026.48 - Step 6: Final answer
x = 12,812.40
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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.