Home / 9,905.19-13,675.38-6,374.54

Finding the Fourth Proportional to 9,905.19, 13,675.38 and 6,374.54

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Solution

The fourth proportional to 9,905.19, 13,675.38 and 6,374.54 is: 8,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.19 : 13,675.38 = 6,374.54 : x
  2. Step 2: Convert to fraction form
    9,905.19/13,675.38 = 6,374.54/x
  3. Step 3: Cross multiply
    9,905.19x = 13,675.38 × 6,374.54
  4. Step 4: Simplify right side
    9,905.19x = 87,174,156.58
  5. Step 5: Solve for x
    x = 87,174,156.58/9,905.19
  6. Step 6: Final answer
    x = 8,800.86

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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.