Home / 14,640.35-21,964.59-4,780.22

Finding the Fourth Proportional to 14,640.35, 21,964.59 and 4,780.22

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Solution

The fourth proportional to 14,640.35, 21,964.59 and 4,780.22 is: 7,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.35 : 21,964.59 = 4,780.22 : x
  2. Step 2: Convert to fraction form
    14,640.35/21,964.59 = 4,780.22/x
  3. Step 3: Cross multiply
    14,640.35x = 21,964.59 × 4,780.22
  4. Step 4: Simplify right side
    14,640.35x = 104,995,462.59
  5. Step 5: Solve for x
    x = 104,995,462.59/14,640.35
  6. Step 6: Final answer
    x = 7,171.65

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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.