Home / 11,808.46-16,295.65-6,503.28

Finding the Fourth Proportional to 11,808.46, 16,295.65 and 6,503.28

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Solution

The fourth proportional to 11,808.46, 16,295.65 and 6,503.28 is: 8,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808.46 : 16,295.65 = 6,503.28 : x
  2. Step 2: Convert to fraction form
    11,808.46/16,295.65 = 6,503.28/x
  3. Step 3: Cross multiply
    11,808.46x = 16,295.65 × 6,503.28
  4. Step 4: Simplify right side
    11,808.46x = 105,975,174.73
  5. Step 5: Solve for x
    x = 105,975,174.73/11,808.46
  6. Step 6: Final answer
    x = 8,974.51

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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.