Home / 9,789.80-14,676.86-5,107.46

Finding the Fourth Proportional to 9,789.80, 14,676.86 and 5,107.46

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Solution

The fourth proportional to 9,789.80, 14,676.86 and 5,107.46 is: 7,657.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789.80 : 14,676.86 = 5,107.46 : x
  2. Step 2: Convert to fraction form
    9,789.80/14,676.86 = 5,107.46/x
  3. Step 3: Cross multiply
    9,789.80x = 14,676.86 × 5,107.46
  4. Step 4: Simplify right side
    9,789.80x = 74,961,475.38
  5. Step 5: Solve for x
    x = 74,961,475.38/9,789.80
  6. Step 6: Final answer
    x = 7,657.10

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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.