Home / 14,146.97-21,225.06-6,750.47

Finding the Fourth Proportional to 14,146.97, 21,225.06 and 6,750.47

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Solution

The fourth proportional to 14,146.97, 21,225.06 and 6,750.47 is: 10,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.97 : 21,225.06 = 6,750.47 : x
  2. Step 2: Convert to fraction form
    14,146.97/21,225.06 = 6,750.47/x
  3. Step 3: Cross multiply
    14,146.97x = 21,225.06 × 6,750.47
  4. Step 4: Simplify right side
    14,146.97x = 143,279,024.65
  5. Step 5: Solve for x
    x = 143,279,024.65/14,146.97
  6. Step 6: Final answer
    x = 10,127.90

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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.