Home / 14,439.94-21,659.91-5,205.94

Finding the Fourth Proportional to 14,439.94, 21,659.91 and 5,205.94

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Solution

The fourth proportional to 14,439.94, 21,659.91 and 5,205.94 is: 7,808.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.94 : 21,659.91 = 5,205.94 : x
  2. Step 2: Convert to fraction form
    14,439.94/21,659.91 = 5,205.94/x
  3. Step 3: Cross multiply
    14,439.94x = 21,659.91 × 5,205.94
  4. Step 4: Simplify right side
    14,439.94x = 112,760,118.19
  5. Step 5: Solve for x
    x = 112,760,118.19/14,439.94
  6. Step 6: Final answer
    x = 7,808.91

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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.