Home / 14,152.39-21,228.35-3,622.31

Finding the Fourth Proportional to 14,152.39, 21,228.35 and 3,622.31

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Solution

The fourth proportional to 14,152.39, 21,228.35 and 3,622.31 is: 5,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.39 : 21,228.35 = 3,622.31 : x
  2. Step 2: Convert to fraction form
    14,152.39/21,228.35 = 3,622.31/x
  3. Step 3: Cross multiply
    14,152.39x = 21,228.35 × 3,622.31
  4. Step 4: Simplify right side
    14,152.39x = 76,895,619.84
  5. Step 5: Solve for x
    x = 76,895,619.84/14,152.39
  6. Step 6: Final answer
    x = 5,433.40

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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.