Home / 13,955.00-19,262.97-9,240.80

Finding the Fourth Proportional to 13,955.00, 19,262.97 and 9,240.80

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Solution

The fourth proportional to 13,955.00, 19,262.97 and 9,240.80 is: 12,755.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.00 : 19,262.97 = 9,240.80 : x
  2. Step 2: Convert to fraction form
    13,955.00/19,262.97 = 9,240.80/x
  3. Step 3: Cross multiply
    13,955.00x = 19,262.97 × 9,240.80
  4. Step 4: Simplify right side
    13,955.00x = 178,005,156.86
  5. Step 5: Solve for x
    x = 178,005,156.86/13,955.00
  6. Step 6: Final answer
    x = 12,755.66

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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.