Home / 14,278.67-21,426.86-6,883.88

Finding the Fourth Proportional to 14,278.67, 21,426.86 and 6,883.88

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Solution

The fourth proportional to 14,278.67, 21,426.86 and 6,883.88 is: 10,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.67 : 21,426.86 = 6,883.88 : x
  2. Step 2: Convert to fraction form
    14,278.67/21,426.86 = 6,883.88/x
  3. Step 3: Cross multiply
    14,278.67x = 21,426.86 × 6,883.88
  4. Step 4: Simplify right side
    14,278.67x = 147,499,791.46
  5. Step 5: Solve for x
    x = 147,499,791.46/14,278.67
  6. Step 6: Final answer
    x = 10,330.08

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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.