Home / 10,860.50-16,290.94-4,286.64

Finding the Fourth Proportional to 10,860.50, 16,290.94 and 4,286.64

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Solution

The fourth proportional to 10,860.50, 16,290.94 and 4,286.64 is: 6,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.50 : 16,290.94 = 4,286.64 : x
  2. Step 2: Convert to fraction form
    10,860.50/16,290.94 = 4,286.64/x
  3. Step 3: Cross multiply
    10,860.50x = 16,290.94 × 4,286.64
  4. Step 4: Simplify right side
    10,860.50x = 69,833,395.04
  5. Step 5: Solve for x
    x = 69,833,395.04/10,860.50
  6. Step 6: Final answer
    x = 6,430.03

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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.