Home / 11,686.23-16,126.95-6,381.03

Finding the Fourth Proportional to 11,686.23, 16,126.95 and 6,381.03

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Solution

The fourth proportional to 11,686.23, 16,126.95 and 6,381.03 is: 8,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,686.23 : 16,126.95 = 6,381.03 : x
  2. Step 2: Convert to fraction form
    11,686.23/16,126.95 = 6,381.03/x
  3. Step 3: Cross multiply
    11,686.23x = 16,126.95 × 6,381.03
  4. Step 4: Simplify right side
    11,686.23x = 102,906,551.76
  5. Step 5: Solve for x
    x = 102,906,551.76/11,686.23
  6. Step 6: Final answer
    x = 8,805.80

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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.