Home / 11,354.36-16,986.18-10,107.32

Finding the Fourth Proportional to 11,354.36, 16,986.18 and 10,107.32

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Solution

The fourth proportional to 11,354.36, 16,986.18 and 10,107.32 is: 15,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.36 : 16,986.18 = 10,107.32 : x
  2. Step 2: Convert to fraction form
    11,354.36/16,986.18 = 10,107.32/x
  3. Step 3: Cross multiply
    11,354.36x = 16,986.18 × 10,107.32
  4. Step 4: Simplify right side
    11,354.36x = 171,684,756.84
  5. Step 5: Solve for x
    x = 171,684,756.84/11,354.36
  6. Step 6: Final answer
    x = 15,120.60

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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.