Home / 12,535.46-18,801.21-3,768.32

Finding the Fourth Proportional to 12,535.46, 18,801.21 and 3,768.32

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Solution

The fourth proportional to 12,535.46, 18,801.21 and 3,768.32 is: 5,651.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.46 : 18,801.21 = 3,768.32 : x
  2. Step 2: Convert to fraction form
    12,535.46/18,801.21 = 3,768.32/x
  3. Step 3: Cross multiply
    12,535.46x = 18,801.21 × 3,768.32
  4. Step 4: Simplify right side
    12,535.46x = 70,849,036.80
  5. Step 5: Solve for x
    x = 70,849,036.80/12,535.46
  6. Step 6: Final answer
    x = 5,651.89

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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.