Home / 12,790.77-19,184.94-4,469.25

Finding the Fourth Proportional to 12,790.77, 19,184.94 and 4,469.25

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Solution

The fourth proportional to 12,790.77, 19,184.94 and 4,469.25 is: 6,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790.77 : 19,184.94 = 4,469.25 : x
  2. Step 2: Convert to fraction form
    12,790.77/19,184.94 = 4,469.25/x
  3. Step 3: Cross multiply
    12,790.77x = 19,184.94 × 4,469.25
  4. Step 4: Simplify right side
    12,790.77x = 85,742,293.10
  5. Step 5: Solve for x
    x = 85,742,293.10/12,790.77
  6. Step 6: Final answer
    x = 6,703.45

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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.