Home / 14,013.75-21,023.96-4,779.75

Finding the Fourth Proportional to 14,013.75, 21,023.96 and 4,779.75

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Solution

The fourth proportional to 14,013.75, 21,023.96 and 4,779.75 is: 7,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.75 : 21,023.96 = 4,779.75 : x
  2. Step 2: Convert to fraction form
    14,013.75/21,023.96 = 4,779.75/x
  3. Step 3: Cross multiply
    14,013.75x = 21,023.96 × 4,779.75
  4. Step 4: Simplify right side
    14,013.75x = 100,489,248.91
  5. Step 5: Solve for x
    x = 100,489,248.91/14,013.75
  6. Step 6: Final answer
    x = 7,170.76

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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.