Home / 14,424.71-21,639.67-4,429.24

Finding the Fourth Proportional to 14,424.71, 21,639.67 and 4,429.24

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Solution

The fourth proportional to 14,424.71, 21,639.67 and 4,429.24 is: 6,644.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,424.71 : 21,639.67 = 4,429.24 : x
  2. Step 2: Convert to fraction form
    14,424.71/21,639.67 = 4,429.24/x
  3. Step 3: Cross multiply
    14,424.71x = 21,639.67 × 4,429.24
  4. Step 4: Simplify right side
    14,424.71x = 95,847,251.69
  5. Step 5: Solve for x
    x = 95,847,251.69/14,424.71
  6. Step 6: Final answer
    x = 6,644.66

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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.