Home / 11,808.29-16,295.45-6,503.06

Finding the Fourth Proportional to 11,808.29, 16,295.45 and 6,503.06

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Solution

The fourth proportional to 11,808.29, 16,295.45 and 6,503.06 is: 8,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808.29 : 16,295.45 = 6,503.06 : x
  2. Step 2: Convert to fraction form
    11,808.29/16,295.45 = 6,503.06/x
  3. Step 3: Cross multiply
    11,808.29x = 16,295.45 × 6,503.06
  4. Step 4: Simplify right side
    11,808.29x = 105,970,297.30
  5. Step 5: Solve for x
    x = 105,970,297.30/11,808.29
  6. Step 6: Final answer
    x = 8,974.23

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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.