Home / 12,675.42-19,013.57-4,355.38

Finding the Fourth Proportional to 12,675.42, 19,013.57 and 4,355.38

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Solution

The fourth proportional to 12,675.42, 19,013.57 and 4,355.38 is: 6,533.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.42 : 19,013.57 = 4,355.38 : x
  2. Step 2: Convert to fraction form
    12,675.42/19,013.57 = 4,355.38/x
  3. Step 3: Cross multiply
    12,675.42x = 19,013.57 × 4,355.38
  4. Step 4: Simplify right side
    12,675.42x = 82,811,265.62
  5. Step 5: Solve for x
    x = 82,811,265.62/12,675.42
  6. Step 6: Final answer
    x = 6,533.22

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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.