Home / 12,764.25-19,146.24-4,978.53

Finding the Fourth Proportional to 12,764.25, 19,146.24 and 4,978.53

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Solution

The fourth proportional to 12,764.25, 19,146.24 and 4,978.53 is: 7,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.25 : 19,146.24 = 4,978.53 : x
  2. Step 2: Convert to fraction form
    12,764.25/19,146.24 = 4,978.53/x
  3. Step 3: Cross multiply
    12,764.25x = 19,146.24 × 4,978.53
  4. Step 4: Simplify right side
    12,764.25x = 95,320,130.23
  5. Step 5: Solve for x
    x = 95,320,130.23/12,764.25
  6. Step 6: Final answer
    x = 7,467.74

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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.