Home / 12,063.63-16,647.80-6,758.49

Finding the Fourth Proportional to 12,063.63, 16,647.80 and 6,758.49

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Solution

The fourth proportional to 12,063.63, 16,647.80 and 6,758.49 is: 9,326.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.63 : 16,647.80 = 6,758.49 : x
  2. Step 2: Convert to fraction form
    12,063.63/16,647.80 = 6,758.49/x
  3. Step 3: Cross multiply
    12,063.63x = 16,647.80 × 6,758.49
  4. Step 4: Simplify right side
    12,063.63x = 112,513,981.84
  5. Step 5: Solve for x
    x = 112,513,981.84/12,063.63
  6. Step 6: Final answer
    x = 9,326.71

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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.