Home / 14,289.90-21,435.69-5,524.86

Finding the Fourth Proportional to 14,289.90, 21,435.69 and 5,524.86

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Solution

The fourth proportional to 14,289.90, 21,435.69 and 5,524.86 is: 8,287.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.90 : 21,435.69 = 5,524.86 : x
  2. Step 2: Convert to fraction form
    14,289.90/21,435.69 = 5,524.86/x
  3. Step 3: Cross multiply
    14,289.90x = 21,435.69 × 5,524.86
  4. Step 4: Simplify right side
    14,289.90x = 118,429,186.25
  5. Step 5: Solve for x
    x = 118,429,186.25/14,289.90
  6. Step 6: Final answer
    x = 8,287.61

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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.