Home / 11,480.36-17,187.08-8,531.87

Finding the Fourth Proportional to 11,480.36, 17,187.08 and 8,531.87

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Solution

The fourth proportional to 11,480.36, 17,187.08 and 8,531.87 is: 12,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.36 : 17,187.08 = 8,531.87 : x
  2. Step 2: Convert to fraction form
    11,480.36/17,187.08 = 8,531.87/x
  3. Step 3: Cross multiply
    11,480.36x = 17,187.08 × 8,531.87
  4. Step 4: Simplify right side
    11,480.36x = 146,637,803.64
  5. Step 5: Solve for x
    x = 146,637,803.64/11,480.36
  6. Step 6: Final answer
    x = 12,772.93

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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.