Home / 14,205.36-19,603.40-8,240.48

Finding the Fourth Proportional to 14,205.36, 19,603.40 and 8,240.48

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Solution

The fourth proportional to 14,205.36, 19,603.40 and 8,240.48 is: 11,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.36 : 19,603.40 = 8,240.48 : x
  2. Step 2: Convert to fraction form
    14,205.36/19,603.40 = 8,240.48/x
  3. Step 3: Cross multiply
    14,205.36x = 19,603.40 × 8,240.48
  4. Step 4: Simplify right side
    14,205.36x = 161,541,286.41
  5. Step 5: Solve for x
    x = 161,541,286.41/14,205.36
  6. Step 6: Final answer
    x = 11,371.85

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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.