Home / 13,525.14-20,289.64-4,165.92

Finding the Fourth Proportional to 13,525.14, 20,289.64 and 4,165.92

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Solution

The fourth proportional to 13,525.14, 20,289.64 and 4,165.92 is: 6,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.14 : 20,289.64 = 4,165.92 : x
  2. Step 2: Convert to fraction form
    13,525.14/20,289.64 = 4,165.92/x
  3. Step 3: Cross multiply
    13,525.14x = 20,289.64 × 4,165.92
  4. Step 4: Simplify right side
    13,525.14x = 84,525,017.07
  5. Step 5: Solve for x
    x = 84,525,017.07/13,525.14
  6. Step 6: Final answer
    x = 6,249.47

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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.