Home / 14,127.16-21,196.83-6,731.65

Finding the Fourth Proportional to 14,127.16, 21,196.83 and 6,731.65

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Solution

The fourth proportional to 14,127.16, 21,196.83 and 6,731.65 is: 10,100.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.16 : 21,196.83 = 6,731.65 : x
  2. Step 2: Convert to fraction form
    14,127.16/21,196.83 = 6,731.65/x
  3. Step 3: Cross multiply
    14,127.16x = 21,196.83 × 6,731.65
  4. Step 4: Simplify right side
    14,127.16x = 142,689,640.67
  5. Step 5: Solve for x
    x = 142,689,640.67/14,127.16
  6. Step 6: Final answer
    x = 10,100.38

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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.