Home / 14,514.24-21,779.76-6,722.64

Finding the Fourth Proportional to 14,514.24, 21,779.76 and 6,722.64

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Solution

The fourth proportional to 14,514.24, 21,779.76 and 6,722.64 is: 10,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.24 : 21,779.76 = 6,722.64 : x
  2. Step 2: Convert to fraction form
    14,514.24/21,779.76 = 6,722.64/x
  3. Step 3: Cross multiply
    14,514.24x = 21,779.76 × 6,722.64
  4. Step 4: Simplify right side
    14,514.24x = 146,417,485.77
  5. Step 5: Solve for x
    x = 146,417,485.77/14,514.24
  6. Step 6: Final answer
    x = 10,087.85

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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.