Home / 14,319.20-21,467.52-6,921.68

Finding the Fourth Proportional to 14,319.20, 21,467.52 and 6,921.68

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Solution

The fourth proportional to 14,319.20, 21,467.52 and 6,921.68 is: 10,377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.20 : 21,467.52 = 6,921.68 : x
  2. Step 2: Convert to fraction form
    14,319.20/21,467.52 = 6,921.68/x
  3. Step 3: Cross multiply
    14,319.20x = 21,467.52 × 6,921.68
  4. Step 4: Simplify right side
    14,319.20x = 148,591,303.83
  5. Step 5: Solve for x
    x = 148,591,303.83/14,319.20
  6. Step 6: Final answer
    x = 10,377.07

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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.