Home / 13,285.58-18,323.64-8,246.96

Finding the Fourth Proportional to 13,285.58, 18,323.64 and 8,246.96

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Solution

The fourth proportional to 13,285.58, 18,323.64 and 8,246.96 is: 11,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.58 : 18,323.64 = 8,246.96 : x
  2. Step 2: Convert to fraction form
    13,285.58/18,323.64 = 8,246.96/x
  3. Step 3: Cross multiply
    13,285.58x = 18,323.64 × 8,246.96
  4. Step 4: Simplify right side
    13,285.58x = 151,114,326.13
  5. Step 5: Solve for x
    x = 151,114,326.13/13,285.58
  6. Step 6: Final answer
    x = 11,374.31

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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.