Home / 11,505.28-17,275.20-6,580.48

Finding the Fourth Proportional to 11,505.28, 17,275.20 and 6,580.48

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Solution

The fourth proportional to 11,505.28, 17,275.20 and 6,580.48 is: 9,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.28 : 17,275.20 = 6,580.48 : x
  2. Step 2: Convert to fraction form
    11,505.28/17,275.20 = 6,580.48/x
  3. Step 3: Cross multiply
    11,505.28x = 17,275.20 × 6,580.48
  4. Step 4: Simplify right side
    11,505.28x = 113,679,108.10
  5. Step 5: Solve for x
    x = 113,679,108.10/11,505.28
  6. Step 6: Final answer
    x = 9,880.60

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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.