Home / 12,582.63-18,876.66-3,818.25

Finding the Fourth Proportional to 12,582.63, 18,876.66 and 3,818.25

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Solution

The fourth proportional to 12,582.63, 18,876.66 and 3,818.25 is: 5,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.63 : 18,876.66 = 3,818.25 : x
  2. Step 2: Convert to fraction form
    12,582.63/18,876.66 = 3,818.25/x
  3. Step 3: Cross multiply
    12,582.63x = 18,876.66 × 3,818.25
  4. Step 4: Simplify right side
    12,582.63x = 72,075,807.05
  5. Step 5: Solve for x
    x = 72,075,807.05/12,582.63
  6. Step 6: Final answer
    x = 5,728.20

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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.