Home / 13,247.40-19,860.66-9,074.76

Finding the Fourth Proportional to 13,247.40, 19,860.66 and 9,074.76

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Solution

The fourth proportional to 13,247.40, 19,860.66 and 9,074.76 is: 13,604.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.40 : 19,860.66 = 9,074.76 : x
  2. Step 2: Convert to fraction form
    13,247.40/19,860.66 = 9,074.76/x
  3. Step 3: Cross multiply
    13,247.40x = 19,860.66 × 9,074.76
  4. Step 4: Simplify right side
    13,247.40x = 180,230,722.94
  5. Step 5: Solve for x
    x = 180,230,722.94/13,247.40
  6. Step 6: Final answer
    x = 13,604.99

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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.