Home / 11,280.60-15,563.46-6,563.88

Finding the Fourth Proportional to 11,280.60, 15,563.46 and 6,563.88

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Solution

The fourth proportional to 11,280.60, 15,563.46 and 6,563.88 is: 9,055.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.60 : 15,563.46 = 6,563.88 : x
  2. Step 2: Convert to fraction form
    11,280.60/15,563.46 = 6,563.88/x
  3. Step 3: Cross multiply
    11,280.60x = 15,563.46 × 6,563.88
  4. Step 4: Simplify right side
    11,280.60x = 102,156,683.82
  5. Step 5: Solve for x
    x = 102,156,683.82/11,280.60
  6. Step 6: Final answer
    x = 9,055.96

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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.