Home / 13,802.10-20,703.33-3,941.70

Finding the Fourth Proportional to 13,802.10, 20,703.33 and 3,941.70

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Solution

The fourth proportional to 13,802.10, 20,703.33 and 3,941.70 is: 5,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.10 : 20,703.33 = 3,941.70 : x
  2. Step 2: Convert to fraction form
    13,802.10/20,703.33 = 3,941.70/x
  3. Step 3: Cross multiply
    13,802.10x = 20,703.33 × 3,941.70
  4. Step 4: Simplify right side
    13,802.10x = 81,606,315.86
  5. Step 5: Solve for x
    x = 81,606,315.86/13,802.10
  6. Step 6: Final answer
    x = 5,912.60

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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.