Home / 13,604.25-18,780.91-10,572.60

Finding the Fourth Proportional to 13,604.25, 18,780.91 and 10,572.60

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Solution

The fourth proportional to 13,604.25, 18,780.91 and 10,572.60 is: 14,595.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.25 : 18,780.91 = 10,572.60 : x
  2. Step 2: Convert to fraction form
    13,604.25/18,780.91 = 10,572.60/x
  3. Step 3: Cross multiply
    13,604.25x = 18,780.91 × 10,572.60
  4. Step 4: Simplify right side
    13,604.25x = 198,562,902.30
  5. Step 5: Solve for x
    x = 198,562,902.30/13,604.25
  6. Step 6: Final answer
    x = 14,595.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.