Home / 13,289.82-19,929.15-4,525.26

Finding the Fourth Proportional to 13,289.82, 19,929.15 and 4,525.26

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Solution

The fourth proportional to 13,289.82, 19,929.15 and 4,525.26 is: 6,785.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.82 : 19,929.15 = 4,525.26 : x
  2. Step 2: Convert to fraction form
    13,289.82/19,929.15 = 4,525.26/x
  3. Step 3: Cross multiply
    13,289.82x = 19,929.15 × 4,525.26
  4. Step 4: Simplify right side
    13,289.82x = 90,184,585.33
  5. Step 5: Solve for x
    x = 90,184,585.33/13,289.82
  6. Step 6: Final answer
    x = 6,785.99

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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.