Home / 15,203.56-20,980.74-8,833.84

Finding the Fourth Proportional to 15,203.56, 20,980.74 and 8,833.84

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Solution

The fourth proportional to 15,203.56, 20,980.74 and 8,833.84 is: 12,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,203.56 : 20,980.74 = 8,833.84 : x
  2. Step 2: Convert to fraction form
    15,203.56/20,980.74 = 8,833.84/x
  3. Step 3: Cross multiply
    15,203.56x = 20,980.74 × 8,833.84
  4. Step 4: Simplify right side
    15,203.56x = 185,340,500.24
  5. Step 5: Solve for x
    x = 185,340,500.24/15,203.56
  6. Step 6: Final answer
    x = 12,190.60

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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.