Home / 11,869.50-16,381.35-6,901.50

Finding the Fourth Proportional to 11,869.50, 16,381.35 and 6,901.50

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Solution

The fourth proportional to 11,869.50, 16,381.35 and 6,901.50 is: 9,524.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.50 : 16,381.35 = 6,901.50 : x
  2. Step 2: Convert to fraction form
    11,869.50/16,381.35 = 6,901.50/x
  3. Step 3: Cross multiply
    11,869.50x = 16,381.35 × 6,901.50
  4. Step 4: Simplify right side
    11,869.50x = 113,055,887.03
  5. Step 5: Solve for x
    x = 113,055,887.03/11,869.50
  6. Step 6: Final answer
    x = 9,524.91

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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.