Home / 13,477.65-20,217.21-4,119.11

Finding the Fourth Proportional to 13,477.65, 20,217.21 and 4,119.11

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Solution

The fourth proportional to 13,477.65, 20,217.21 and 4,119.11 is: 6,178.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.65 : 20,217.21 = 4,119.11 : x
  2. Step 2: Convert to fraction form
    13,477.65/20,217.21 = 4,119.11/x
  3. Step 3: Cross multiply
    13,477.65x = 20,217.21 × 4,119.11
  4. Step 4: Simplify right side
    13,477.65x = 83,276,911.88
  5. Step 5: Solve for x
    x = 83,276,911.88/13,477.65
  6. Step 6: Final answer
    x = 6,178.89

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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.