Home / 11,563.50-17,349.86-6,885.72

Finding the Fourth Proportional to 11,563.50, 17,349.86 and 6,885.72

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Solution

The fourth proportional to 11,563.50, 17,349.86 and 6,885.72 is: 10,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,563.50 : 17,349.86 = 6,885.72 : x
  2. Step 2: Convert to fraction form
    11,563.50/17,349.86 = 6,885.72/x
  3. Step 3: Cross multiply
    11,563.50x = 17,349.86 × 6,885.72
  4. Step 4: Simplify right side
    11,563.50x = 119,466,295.21
  5. Step 5: Solve for x
    x = 119,466,295.21/11,563.50
  6. Step 6: Final answer
    x = 10,331.32

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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.