Home / 13,740.98-20,595.82-8,182.58

Finding the Fourth Proportional to 13,740.98, 20,595.82 and 8,182.58

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Solution

The fourth proportional to 13,740.98, 20,595.82 and 8,182.58 is: 12,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.98 : 20,595.82 = 8,182.58 : x
  2. Step 2: Convert to fraction form
    13,740.98/20,595.82 = 8,182.58/x
  3. Step 3: Cross multiply
    13,740.98x = 20,595.82 × 8,182.58
  4. Step 4: Simplify right side
    13,740.98x = 168,526,944.82
  5. Step 5: Solve for x
    x = 168,526,944.82/13,740.98
  6. Step 6: Final answer
    x = 12,264.55

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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.