Home / 14,318.20-21,479.34-4,458.47

Finding the Fourth Proportional to 14,318.20, 21,479.34 and 4,458.47

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Solution

The fourth proportional to 14,318.20, 21,479.34 and 4,458.47 is: 6,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.20 : 21,479.34 = 4,458.47 : x
  2. Step 2: Convert to fraction form
    14,318.20/21,479.34 = 4,458.47/x
  3. Step 3: Cross multiply
    14,318.20x = 21,479.34 × 4,458.47
  4. Step 4: Simplify right side
    14,318.20x = 95,764,993.01
  5. Step 5: Solve for x
    x = 95,764,993.01/14,318.20
  6. Step 6: Final answer
    x = 6,688.34

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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.