Home / 11,269.80-16,904.70-10,621.80

Finding the Fourth Proportional to 11,269.80, 16,904.70 and 10,621.80

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Solution

The fourth proportional to 11,269.80, 16,904.70 and 10,621.80 is: 15,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.80 : 16,904.70 = 10,621.80 : x
  2. Step 2: Convert to fraction form
    11,269.80/16,904.70 = 10,621.80/x
  3. Step 3: Cross multiply
    11,269.80x = 16,904.70 × 10,621.80
  4. Step 4: Simplify right side
    11,269.80x = 179,558,342.46
  5. Step 5: Solve for x
    x = 179,558,342.46/11,269.80
  6. Step 6: Final answer
    x = 15,932.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.