Home / 12,021.07-16,589.04-6,715.84

Finding the Fourth Proportional to 12,021.07, 16,589.04 and 6,715.84

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Solution

The fourth proportional to 12,021.07, 16,589.04 and 6,715.84 is: 9,267.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.07 : 16,589.04 = 6,715.84 : x
  2. Step 2: Convert to fraction form
    12,021.07/16,589.04 = 6,715.84/x
  3. Step 3: Cross multiply
    12,021.07x = 16,589.04 × 6,715.84
  4. Step 4: Simplify right side
    12,021.07x = 111,409,338.39
  5. Step 5: Solve for x
    x = 111,409,338.39/12,021.07
  6. Step 6: Final answer
    x = 9,267.84

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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.