Home / 14,704.89-20,287.38-9,671.82

Finding the Fourth Proportional to 14,704.89, 20,287.38 and 9,671.82

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Solution

The fourth proportional to 14,704.89, 20,287.38 and 9,671.82 is: 13,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,704.89 : 20,287.38 = 9,671.82 : x
  2. Step 2: Convert to fraction form
    14,704.89/20,287.38 = 9,671.82/x
  3. Step 3: Cross multiply
    14,704.89x = 20,287.38 × 9,671.82
  4. Step 4: Simplify right side
    14,704.89x = 196,215,887.63
  5. Step 5: Solve for x
    x = 196,215,887.63/14,704.89
  6. Step 6: Final answer
    x = 13,343.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.