Home / 13,967.33-20,947.55-8,346.61

Finding the Fourth Proportional to 13,967.33, 20,947.55 and 8,346.61

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Solution

The fourth proportional to 13,967.33, 20,947.55 and 8,346.61 is: 12,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.33 : 20,947.55 = 8,346.61 : x
  2. Step 2: Convert to fraction form
    13,967.33/20,947.55 = 8,346.61/x
  3. Step 3: Cross multiply
    13,967.33x = 20,947.55 × 8,346.61
  4. Step 4: Simplify right side
    13,967.33x = 174,841,030.31
  5. Step 5: Solve for x
    x = 174,841,030.31/13,967.33
  6. Step 6: Final answer
    x = 12,517.86

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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.