Home / 14,152.58-21,229.96-4,292.68

Finding the Fourth Proportional to 14,152.58, 21,229.96 and 4,292.68

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Solution

The fourth proportional to 14,152.58, 21,229.96 and 4,292.68 is: 6,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.58 : 21,229.96 = 4,292.68 : x
  2. Step 2: Convert to fraction form
    14,152.58/21,229.96 = 4,292.68/x
  3. Step 3: Cross multiply
    14,152.58x = 21,229.96 × 4,292.68
  4. Step 4: Simplify right side
    14,152.58x = 91,133,424.69
  5. Step 5: Solve for x
    x = 91,133,424.69/14,152.58
  6. Step 6: Final answer
    x = 6,439.35

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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.