Finding the Fourth Proportional to 12,468, 18,702 and 6,312
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Solution
The fourth proportional to 12,468, 18,702 and 6,312 is: 9,468
Step by Step Solution
- Step 1: Write the proportion equation
12,468 : 18,702 = 6,312 : x - Step 2: Convert to fraction form
12,468/18,702 = 6,312/x - Step 3: Cross multiply
12,468x = 18,702 × 6,312 - Step 4: Simplify right side
12,468x = 118,047,024 - Step 5: Solve for x
x = 118,047,024/12,468 - Step 6: Final answer
x = 9,468
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.