Home / 13,773.32-19,000.50-8,180.36

Finding the Fourth Proportional to 13,773.32, 19,000.50 and 8,180.36

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Solution

The fourth proportional to 13,773.32, 19,000.50 and 8,180.36 is: 11,284.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.32 : 19,000.50 = 8,180.36 : x
  2. Step 2: Convert to fraction form
    13,773.32/19,000.50 = 8,180.36/x
  3. Step 3: Cross multiply
    13,773.32x = 19,000.50 × 8,180.36
  4. Step 4: Simplify right side
    13,773.32x = 155,430,930.18
  5. Step 5: Solve for x
    x = 155,430,930.18/13,773.32
  6. Step 6: Final answer
    x = 11,284.93

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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.