Home / 13,189.94-19,784.91-4,424.83

Finding the Fourth Proportional to 13,189.94, 19,784.91 and 4,424.83

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Solution

The fourth proportional to 13,189.94, 19,784.91 and 4,424.83 is: 6,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.94 : 19,784.91 = 4,424.83 : x
  2. Step 2: Convert to fraction form
    13,189.94/19,784.91 = 4,424.83/x
  3. Step 3: Cross multiply
    13,189.94x = 19,784.91 × 4,424.83
  4. Step 4: Simplify right side
    13,189.94x = 87,544,742.27
  5. Step 5: Solve for x
    x = 87,544,742.27/13,189.94
  6. Step 6: Final answer
    x = 6,637.24

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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.