Home / 14,205.38-19,603.48-8,240.58

Finding the Fourth Proportional to 14,205.38, 19,603.48 and 8,240.58

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Solution

The fourth proportional to 14,205.38, 19,603.48 and 8,240.58 is: 11,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.38 : 19,603.48 = 8,240.58 : x
  2. Step 2: Convert to fraction form
    14,205.38/19,603.48 = 8,240.58/x
  3. Step 3: Cross multiply
    14,205.38x = 19,603.48 × 8,240.58
  4. Step 4: Simplify right side
    14,205.38x = 161,544,045.22
  5. Step 5: Solve for x
    x = 161,544,045.22/14,205.38
  6. Step 6: Final answer
    x = 11,372.03

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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.