Home / 12,849.09-19,261.92-4,946.55

Finding the Fourth Proportional to 12,849.09, 19,261.92 and 4,946.55

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Solution

The fourth proportional to 12,849.09, 19,261.92 and 4,946.55 is: 7,415.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.09 : 19,261.92 = 4,946.55 : x
  2. Step 2: Convert to fraction form
    12,849.09/19,261.92 = 4,946.55/x
  3. Step 3: Cross multiply
    12,849.09x = 19,261.92 × 4,946.55
  4. Step 4: Simplify right side
    12,849.09x = 95,280,050.38
  5. Step 5: Solve for x
    x = 95,280,050.38/12,849.09
  6. Step 6: Final answer
    x = 7,415.32

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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.