Home / 14,279.40-21,419.94-5,514.36

Finding the Fourth Proportional to 14,279.40, 21,419.94 and 5,514.36

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Solution

The fourth proportional to 14,279.40, 21,419.94 and 5,514.36 is: 8,271.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.40 : 21,419.94 = 5,514.36 : x
  2. Step 2: Convert to fraction form
    14,279.40/21,419.94 = 5,514.36/x
  3. Step 3: Cross multiply
    14,279.40x = 21,419.94 × 5,514.36
  4. Step 4: Simplify right side
    14,279.40x = 118,117,260.34
  5. Step 5: Solve for x
    x = 118,117,260.34/14,279.40
  6. Step 6: Final answer
    x = 8,271.86

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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.