Home / 11,500.01-17,166.09-9,867.05

Finding the Fourth Proportional to 11,500.01, 17,166.09 and 9,867.05

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Solution

The fourth proportional to 11,500.01, 17,166.09 and 9,867.05 is: 14,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,500.01 : 17,166.09 = 9,867.05 : x
  2. Step 2: Convert to fraction form
    11,500.01/17,166.09 = 9,867.05/x
  3. Step 3: Cross multiply
    11,500.01x = 17,166.09 × 9,867.05
  4. Step 4: Simplify right side
    11,500.01x = 169,378,683.88
  5. Step 5: Solve for x
    x = 169,378,683.88/11,500.01
  6. Step 6: Final answer
    x = 14,728.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.