Home / 13,453.80-20,173.50-4,686.12

Finding the Fourth Proportional to 13,453.80, 20,173.50 and 4,686.12

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Solution

The fourth proportional to 13,453.80, 20,173.50 and 4,686.12 is: 7,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.80 : 20,173.50 = 4,686.12 : x
  2. Step 2: Convert to fraction form
    13,453.80/20,173.50 = 4,686.12/x
  3. Step 3: Cross multiply
    13,453.80x = 20,173.50 × 4,686.12
  4. Step 4: Simplify right side
    13,453.80x = 94,535,441.82
  5. Step 5: Solve for x
    x = 94,535,441.82/13,453.80
  6. Step 6: Final answer
    x = 7,026.67

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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.