Home / 14,289.74-21,467.55-13,699.26

Finding the Fourth Proportional to 14,289.74, 21,467.55 and 13,699.26

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Solution

The fourth proportional to 14,289.74, 21,467.55 and 13,699.26 is: 20,580.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.74 : 21,467.55 = 13,699.26 : x
  2. Step 2: Convert to fraction form
    14,289.74/21,467.55 = 13,699.26/x
  3. Step 3: Cross multiply
    14,289.74x = 21,467.55 × 13,699.26
  4. Step 4: Simplify right side
    14,289.74x = 294,089,549.01
  5. Step 5: Solve for x
    x = 294,089,549.01/14,289.74
  6. Step 6: Final answer
    x = 20,580.47

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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.