Home / 14,246.72-21,373.20-5,485.76

Finding the Fourth Proportional to 14,246.72, 21,373.20 and 5,485.76

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Solution

The fourth proportional to 14,246.72, 21,373.20 and 5,485.76 is: 8,229.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,246.72 : 21,373.20 = 5,485.76 : x
  2. Step 2: Convert to fraction form
    14,246.72/21,373.20 = 5,485.76/x
  3. Step 3: Cross multiply
    14,246.72x = 21,373.20 × 5,485.76
  4. Step 4: Simplify right side
    14,246.72x = 117,248,245.63
  5. Step 5: Solve for x
    x = 117,248,245.63/14,246.72
  6. Step 6: Final answer
    x = 8,229.84

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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.