Home / 8,905.05-13,357.60-6,123.31

Finding the Fourth Proportional to 8,905.05, 13,357.60 and 6,123.31

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Solution

The fourth proportional to 8,905.05, 13,357.60 and 6,123.31 is: 9,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.05 : 13,357.60 = 6,123.31 : x
  2. Step 2: Convert to fraction form
    8,905.05/13,357.60 = 6,123.31/x
  3. Step 3: Cross multiply
    8,905.05x = 13,357.60 × 6,123.31
  4. Step 4: Simplify right side
    8,905.05x = 81,792,687.13
  5. Step 5: Solve for x
    x = 81,792,687.13/8,905.05
  6. Step 6: Final answer
    x = 9,184.98

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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.