Home / 8,712.36-13,069.55-3,168.32

Finding the Fourth Proportional to 8,712.36, 13,069.55 and 3,168.32

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Solution

The fourth proportional to 8,712.36, 13,069.55 and 3,168.32 is: 4,752.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.36 : 13,069.55 = 3,168.32 : x
  2. Step 2: Convert to fraction form
    8,712.36/13,069.55 = 3,168.32/x
  3. Step 3: Cross multiply
    8,712.36x = 13,069.55 × 3,168.32
  4. Step 4: Simplify right side
    8,712.36x = 41,408,459.23
  5. Step 5: Solve for x
    x = 41,408,459.23/8,712.36
  6. Step 6: Final answer
    x = 4,752.84

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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.