Home / 19,563.88-26,999.16-11,180.40

Finding the Fourth Proportional to 19,563.88, 26,999.16 and 11,180.40

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Solution

The fourth proportional to 19,563.88, 26,999.16 and 11,180.40 is: 15,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563.88 : 26,999.16 = 11,180.40 : x
  2. Step 2: Convert to fraction form
    19,563.88/26,999.16 = 11,180.40/x
  3. Step 3: Cross multiply
    19,563.88x = 26,999.16 × 11,180.40
  4. Step 4: Simplify right side
    19,563.88x = 301,861,408.46
  5. Step 5: Solve for x
    x = 301,861,408.46/19,563.88
  6. Step 6: Final answer
    x = 15,429.53

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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.