Home / 13,699.52-20,550.47-4,814.09

Finding the Fourth Proportional to 13,699.52, 20,550.47 and 4,814.09

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Solution

The fourth proportional to 13,699.52, 20,550.47 and 4,814.09 is: 7,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.52 : 20,550.47 = 4,814.09 : x
  2. Step 2: Convert to fraction form
    13,699.52/20,550.47 = 4,814.09/x
  3. Step 3: Cross multiply
    13,699.52x = 20,550.47 × 4,814.09
  4. Step 4: Simplify right side
    13,699.52x = 98,931,788.05
  5. Step 5: Solve for x
    x = 98,931,788.05/13,699.52
  6. Step 6: Final answer
    x = 7,221.55

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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.