Home / 13,069.85-18,034.30-8,595.41

Finding the Fourth Proportional to 13,069.85, 18,034.30 and 8,595.41

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Solution

The fourth proportional to 13,069.85, 18,034.30 and 8,595.41 is: 11,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.85 : 18,034.30 = 8,595.41 : x
  2. Step 2: Convert to fraction form
    13,069.85/18,034.30 = 8,595.41/x
  3. Step 3: Cross multiply
    13,069.85x = 18,034.30 × 8,595.41
  4. Step 4: Simplify right side
    13,069.85x = 155,012,202.56
  5. Step 5: Solve for x
    x = 155,012,202.56/13,069.85
  6. Step 6: Final answer
    x = 11,860.29

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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.