Home / 13,441.20-20,160.72-4,674.84

Finding the Fourth Proportional to 13,441.20, 20,160.72 and 4,674.84

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Solution

The fourth proportional to 13,441.20, 20,160.72 and 4,674.84 is: 7,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.20 : 20,160.72 = 4,674.84 : x
  2. Step 2: Convert to fraction form
    13,441.20/20,160.72 = 4,674.84/x
  3. Step 3: Cross multiply
    13,441.20x = 20,160.72 × 4,674.84
  4. Step 4: Simplify right side
    13,441.20x = 94,248,140.28
  5. Step 5: Solve for x
    x = 94,248,140.28/13,441.20
  6. Step 6: Final answer
    x = 7,011.88

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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.