Home / 14,558.33-20,103.09-13,810.98

Finding the Fourth Proportional to 14,558.33, 20,103.09 and 13,810.98

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Solution

The fourth proportional to 14,558.33, 20,103.09 and 13,810.98 is: 19,071.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.33 : 20,103.09 = 13,810.98 : x
  2. Step 2: Convert to fraction form
    14,558.33/20,103.09 = 13,810.98/x
  3. Step 3: Cross multiply
    14,558.33x = 20,103.09 × 13,810.98
  4. Step 4: Simplify right side
    14,558.33x = 277,643,514.05
  5. Step 5: Solve for x
    x = 277,643,514.05/14,558.33
  6. Step 6: Final answer
    x = 19,071.11

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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.