Home / 13,477.96-20,219.10-4,712.68

Finding the Fourth Proportional to 13,477.96, 20,219.10 and 4,712.68

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Solution

The fourth proportional to 13,477.96, 20,219.10 and 4,712.68 is: 7,069.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.96 : 20,219.10 = 4,712.68 : x
  2. Step 2: Convert to fraction form
    13,477.96/20,219.10 = 4,712.68/x
  3. Step 3: Cross multiply
    13,477.96x = 20,219.10 × 4,712.68
  4. Step 4: Simplify right side
    13,477.96x = 95,286,148.19
  5. Step 5: Solve for x
    x = 95,286,148.19/13,477.96
  6. Step 6: Final answer
    x = 7,069.78

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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.