Finding the Fourth Proportional to 19,424.60, 29,126.87 and 6,275.26
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Solution
The fourth proportional to 19,424.60, 29,126.87 and 6,275.26 is: 9,409.65
Step by Step Solution
- Step 1: Write the proportion equation
19,424.60 : 29,126.87 = 6,275.26 : x - Step 2: Convert to fraction form
19,424.60/29,126.87 = 6,275.26/x - Step 3: Cross multiply
19,424.60x = 29,126.87 × 6,275.26 - Step 4: Simplify right side
19,424.60x = 182,778,682.24 - Step 5: Solve for x
x = 182,778,682.24/19,424.60 - Step 6: Final answer
x = 9,409.65
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1.5x scale
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.