Home / 14,279.63-21,419.24-5,514.35

Finding the Fourth Proportional to 14,279.63, 21,419.24 and 5,514.35

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Solution

The fourth proportional to 14,279.63, 21,419.24 and 5,514.35 is: 8,271.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.63 : 21,419.24 = 5,514.35 : x
  2. Step 2: Convert to fraction form
    14,279.63/21,419.24 = 5,514.35/x
  3. Step 3: Cross multiply
    14,279.63x = 21,419.24 × 5,514.35
  4. Step 4: Simplify right side
    14,279.63x = 118,113,051.43
  5. Step 5: Solve for x
    x = 118,113,051.43/14,279.63
  6. Step 6: Final answer
    x = 8,271.44

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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.