Home / 10,305.41-14,221.39-5,589.70

Finding the Fourth Proportional to 10,305.41, 14,221.39 and 5,589.70

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Solution

The fourth proportional to 10,305.41, 14,221.39 and 5,589.70 is: 7,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.41 : 14,221.39 = 5,589.70 : x
  2. Step 2: Convert to fraction form
    10,305.41/14,221.39 = 5,589.70/x
  3. Step 3: Cross multiply
    10,305.41x = 14,221.39 × 5,589.70
  4. Step 4: Simplify right side
    10,305.41x = 79,493,303.68
  5. Step 5: Solve for x
    x = 79,493,303.68/10,305.41
  6. Step 6: Final answer
    x = 7,713.74

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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.