Home / 13,802.20-20,727.60-13,364.80

Finding the Fourth Proportional to 13,802.20, 20,727.60 and 13,364.80

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Solution

The fourth proportional to 13,802.20, 20,727.60 and 13,364.80 is: 20,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.20 : 20,727.60 = 13,364.80 : x
  2. Step 2: Convert to fraction form
    13,802.20/20,727.60 = 13,364.80/x
  3. Step 3: Cross multiply
    13,802.20x = 20,727.60 × 13,364.80
  4. Step 4: Simplify right side
    13,802.20x = 277,020,228.48
  5. Step 5: Solve for x
    x = 277,020,228.48/13,802.20
  6. Step 6: Final answer
    x = 20,070.73

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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.