Home / 13,469.19-20,208.65-4,705.40

Finding the Fourth Proportional to 13,469.19, 20,208.65 and 4,705.40

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Solution

The fourth proportional to 13,469.19, 20,208.65 and 4,705.40 is: 7,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.19 : 20,208.65 = 4,705.40 : x
  2. Step 2: Convert to fraction form
    13,469.19/20,208.65 = 4,705.40/x
  3. Step 3: Cross multiply
    13,469.19x = 20,208.65 × 4,705.40
  4. Step 4: Simplify right side
    13,469.19x = 95,089,781.71
  5. Step 5: Solve for x
    x = 95,089,781.71/13,469.19
  6. Step 6: Final answer
    x = 7,059.80

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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.