Home / 13,563.27-20,267.12-10,339.74

Finding the Fourth Proportional to 13,563.27, 20,267.12 and 10,339.74

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Solution

The fourth proportional to 13,563.27, 20,267.12 and 10,339.74 is: 15,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.27 : 20,267.12 = 10,339.74 : x
  2. Step 2: Convert to fraction form
    13,563.27/20,267.12 = 10,339.74/x
  3. Step 3: Cross multiply
    13,563.27x = 20,267.12 × 10,339.74
  4. Step 4: Simplify right side
    13,563.27x = 209,556,751.35
  5. Step 5: Solve for x
    x = 209,556,751.35/13,563.27
  6. Step 6: Final answer
    x = 15,450.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.