Home / 12,437.46-18,653.49-3,670.38

Finding the Fourth Proportional to 12,437.46, 18,653.49 and 3,670.38

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Solution

The fourth proportional to 12,437.46, 18,653.49 and 3,670.38 is: 5,504.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.46 : 18,653.49 = 3,670.38 : x
  2. Step 2: Convert to fraction form
    12,437.46/18,653.49 = 3,670.38/x
  3. Step 3: Cross multiply
    12,437.46x = 18,653.49 × 3,670.38
  4. Step 4: Simplify right side
    12,437.46x = 68,465,396.63
  5. Step 5: Solve for x
    x = 68,465,396.63/12,437.46
  6. Step 6: Final answer
    x = 5,504.77

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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.