Finding the Fourth Proportional to 13,300.20, 19,948.95 and 4,534.99
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Solution
The fourth proportional to 13,300.20, 19,948.95 and 4,534.99 is: 6,802.02
Step by Step Solution
- Step 1: Write the proportion equation
13,300.20 : 19,948.95 = 4,534.99 : x - Step 2: Convert to fraction form
13,300.20/19,948.95 = 4,534.99/x - Step 3: Cross multiply
13,300.20x = 19,948.95 × 4,534.99 - Step 4: Simplify right side
13,300.20x = 90,468,238.89 - Step 5: Solve for x
x = 90,468,238.89/13,300.20 - Step 6: Final answer
x = 6,802.02
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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.