Home / 14,091.39-19,446.35-7,803.90

Finding the Fourth Proportional to 14,091.39, 19,446.35 and 7,803.90

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Solution

The fourth proportional to 14,091.39, 19,446.35 and 7,803.90 is: 10,769.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.39 : 19,446.35 = 7,803.90 : x
  2. Step 2: Convert to fraction form
    14,091.39/19,446.35 = 7,803.90/x
  3. Step 3: Cross multiply
    14,091.39x = 19,446.35 × 7,803.90
  4. Step 4: Simplify right side
    14,091.39x = 151,757,331.75
  5. Step 5: Solve for x
    x = 151,757,331.75/14,091.39
  6. Step 6: Final answer
    x = 10,769.51

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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.