Home / 12,675.56-19,014.57-3,315.53

Finding the Fourth Proportional to 12,675.56, 19,014.57 and 3,315.53

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Solution

The fourth proportional to 12,675.56, 19,014.57 and 3,315.53 is: 4,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.56 : 19,014.57 = 3,315.53 : x
  2. Step 2: Convert to fraction form
    12,675.56/19,014.57 = 3,315.53/x
  3. Step 3: Cross multiply
    12,675.56x = 19,014.57 × 3,315.53
  4. Step 4: Simplify right side
    12,675.56x = 63,043,377.27
  5. Step 5: Solve for x
    x = 63,043,377.27/12,675.56
  6. Step 6: Final answer
    x = 4,973.62

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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.