Home / 11,673.08-16,109.30-6,368.20

Finding the Fourth Proportional to 11,673.08, 16,109.30 and 6,368.20

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Solution

The fourth proportional to 11,673.08, 16,109.30 and 6,368.20 is: 8,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.08 : 16,109.30 = 6,368.20 : x
  2. Step 2: Convert to fraction form
    11,673.08/16,109.30 = 6,368.20/x
  3. Step 3: Cross multiply
    11,673.08x = 16,109.30 × 6,368.20
  4. Step 4: Simplify right side
    11,673.08x = 102,587,244.26
  5. Step 5: Solve for x
    x = 102,587,244.26/11,673.08
  6. Step 6: Final answer
    x = 8,788.36

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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.