Home / 13,495.34-20,243.23-4,135.48

Finding the Fourth Proportional to 13,495.34, 20,243.23 and 4,135.48

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Solution

The fourth proportional to 13,495.34, 20,243.23 and 4,135.48 is: 6,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.34 : 20,243.23 = 4,135.48 : x
  2. Step 2: Convert to fraction form
    13,495.34/20,243.23 = 4,135.48/x
  3. Step 3: Cross multiply
    13,495.34x = 20,243.23 × 4,135.48
  4. Step 4: Simplify right side
    13,495.34x = 83,715,411.85
  5. Step 5: Solve for x
    x = 83,715,411.85/13,495.34
  6. Step 6: Final answer
    x = 6,203.28

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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.