Home / 14,507.24-21,759.90-8,645.48

Finding the Fourth Proportional to 14,507.24, 21,759.90 and 8,645.48

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Solution

The fourth proportional to 14,507.24, 21,759.90 and 8,645.48 is: 12,967.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507.24 : 21,759.90 = 8,645.48 : x
  2. Step 2: Convert to fraction form
    14,507.24/21,759.90 = 8,645.48/x
  3. Step 3: Cross multiply
    14,507.24x = 21,759.90 × 8,645.48
  4. Step 4: Simplify right side
    14,507.24x = 188,124,780.25
  5. Step 5: Solve for x
    x = 188,124,780.25/14,507.24
  6. Step 6: Final answer
    x = 12,967.65

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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.