Home / 12,764.88-19,122.36-8,368.92

Finding the Fourth Proportional to 12,764.88, 19,122.36 and 8,368.92

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Solution

The fourth proportional to 12,764.88, 19,122.36 and 8,368.92 is: 12,537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.88 : 19,122.36 = 8,368.92 : x
  2. Step 2: Convert to fraction form
    12,764.88/19,122.36 = 8,368.92/x
  3. Step 3: Cross multiply
    12,764.88x = 19,122.36 × 8,368.92
  4. Step 4: Simplify right side
    12,764.88x = 160,033,501.05
  5. Step 5: Solve for x
    x = 160,033,501.05/12,764.88
  6. Step 6: Final answer
    x = 12,537.02

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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.