Home / 13,477.49-20,220.23-6,908.29

Finding the Fourth Proportional to 13,477.49, 20,220.23 and 6,908.29

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Solution

The fourth proportional to 13,477.49, 20,220.23 and 6,908.29 is: 10,364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477.49 : 20,220.23 = 6,908.29 : x
  2. Step 2: Convert to fraction form
    13,477.49/20,220.23 = 6,908.29/x
  3. Step 3: Cross multiply
    13,477.49x = 20,220.23 × 6,908.29
  4. Step 4: Simplify right side
    13,477.49x = 139,687,179.43
  5. Step 5: Solve for x
    x = 139,687,179.43/13,477.49
  6. Step 6: Final answer
    x = 10,364.48

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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.