Home / 14,291.54-21,439.38-4,431.61

Finding the Fourth Proportional to 14,291.54, 21,439.38 and 4,431.61

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Solution

The fourth proportional to 14,291.54, 21,439.38 and 4,431.61 is: 6,648.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.54 : 21,439.38 = 4,431.61 : x
  2. Step 2: Convert to fraction form
    14,291.54/21,439.38 = 4,431.61/x
  3. Step 3: Cross multiply
    14,291.54x = 21,439.38 × 4,431.61
  4. Step 4: Simplify right side
    14,291.54x = 95,011,014.22
  5. Step 5: Solve for x
    x = 95,011,014.22/14,291.54
  6. Step 6: Final answer
    x = 6,648.06

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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.