Home / 19,767.55-27,285.57-13,059.13

Finding the Fourth Proportional to 19,767.55, 27,285.57 and 13,059.13

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Solution

The fourth proportional to 19,767.55, 27,285.57 and 13,059.13 is: 18,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.55 : 27,285.57 = 13,059.13 : x
  2. Step 2: Convert to fraction form
    19,767.55/27,285.57 = 13,059.13/x
  3. Step 3: Cross multiply
    19,767.55x = 27,285.57 × 13,059.13
  4. Step 4: Simplify right side
    19,767.55x = 356,325,805.75
  5. Step 5: Solve for x
    x = 356,325,805.75/19,767.55
  6. Step 6: Final answer
    x = 18,025.80

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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.