Home / 12,583.59-18,876.87-3,818.58

Finding the Fourth Proportional to 12,583.59, 18,876.87 and 3,818.58

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Solution

The fourth proportional to 12,583.59, 18,876.87 and 3,818.58 is: 5,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583.59 : 18,876.87 = 3,818.58 : x
  2. Step 2: Convert to fraction form
    12,583.59/18,876.87 = 3,818.58/x
  3. Step 3: Cross multiply
    12,583.59x = 18,876.87 × 3,818.58
  4. Step 4: Simplify right side
    12,583.59x = 72,082,838.24
  5. Step 5: Solve for x
    x = 72,082,838.24/12,583.59
  6. Step 6: Final answer
    x = 5,728.32

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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.