Home / 14,316.30-21,474.45-4,458.60

Finding the Fourth Proportional to 14,316.30, 21,474.45 and 4,458.60

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Solution

The fourth proportional to 14,316.30, 21,474.45 and 4,458.60 is: 6,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316.30 : 21,474.45 = 4,458.60 : x
  2. Step 2: Convert to fraction form
    14,316.30/21,474.45 = 4,458.60/x
  3. Step 3: Cross multiply
    14,316.30x = 21,474.45 × 4,458.60
  4. Step 4: Simplify right side
    14,316.30x = 95,745,982.77
  5. Step 5: Solve for x
    x = 95,745,982.77/14,316.30
  6. Step 6: Final answer
    x = 6,687.90

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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.