Home / 11,828.03-16,322.13-6,788.70

Finding the Fourth Proportional to 11,828.03, 16,322.13 and 6,788.70

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Solution

The fourth proportional to 11,828.03, 16,322.13 and 6,788.70 is: 9,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.03 : 16,322.13 = 6,788.70 : x
  2. Step 2: Convert to fraction form
    11,828.03/16,322.13 = 6,788.70/x
  3. Step 3: Cross multiply
    11,828.03x = 16,322.13 × 6,788.70
  4. Step 4: Simplify right side
    11,828.03x = 110,806,074.53
  5. Step 5: Solve for x
    x = 110,806,074.53/11,828.03
  6. Step 6: Final answer
    x = 9,368.09

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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.