Home / 14,745.24-20,347.08-8,778.36

Finding the Fourth Proportional to 14,745.24, 20,347.08 and 8,778.36

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Solution

The fourth proportional to 14,745.24, 20,347.08 and 8,778.36 is: 12,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.24 : 20,347.08 = 8,778.36 : x
  2. Step 2: Convert to fraction form
    14,745.24/20,347.08 = 8,778.36/x
  3. Step 3: Cross multiply
    14,745.24x = 20,347.08 × 8,778.36
  4. Step 4: Simplify right side
    14,745.24x = 178,613,993.19
  5. Step 5: Solve for x
    x = 178,613,993.19/14,745.24
  6. Step 6: Final answer
    x = 12,113.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.