Home / 13,802.12-20,709.60-5,907.05

Finding the Fourth Proportional to 13,802.12, 20,709.60 and 5,907.05

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Solution

The fourth proportional to 13,802.12, 20,709.60 and 5,907.05 is: 8,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.12 : 20,709.60 = 5,907.05 : x
  2. Step 2: Convert to fraction form
    13,802.12/20,709.60 = 5,907.05/x
  3. Step 3: Cross multiply
    13,802.12x = 20,709.60 × 5,907.05
  4. Step 4: Simplify right side
    13,802.12x = 122,332,642.68
  5. Step 5: Solve for x
    x = 122,332,642.68/13,802.12
  6. Step 6: Final answer
    x = 8,863.32

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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.