Home / 14,089.26-21,138.21-5,326.86

Finding the Fourth Proportional to 14,089.26, 21,138.21 and 5,326.86

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Solution

The fourth proportional to 14,089.26, 21,138.21 and 5,326.86 is: 7,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.26 : 21,138.21 = 5,326.86 : x
  2. Step 2: Convert to fraction form
    14,089.26/21,138.21 = 5,326.86/x
  3. Step 3: Cross multiply
    14,089.26x = 21,138.21 × 5,326.86
  4. Step 4: Simplify right side
    14,089.26x = 112,600,285.32
  5. Step 5: Solve for x
    x = 112,600,285.32/14,089.26
  6. Step 6: Final answer
    x = 7,991.92

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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.