Home / 14,625.40-20,182.97-7,911.00

Finding the Fourth Proportional to 14,625.40, 20,182.97 and 7,911.00

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Solution

The fourth proportional to 14,625.40, 20,182.97 and 7,911.00 is: 10,917.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,625.40 : 20,182.97 = 7,911.00 : x
  2. Step 2: Convert to fraction form
    14,625.40/20,182.97 = 7,911.00/x
  3. Step 3: Cross multiply
    14,625.40x = 20,182.97 × 7,911.00
  4. Step 4: Simplify right side
    14,625.40x = 159,667,571.13
  5. Step 5: Solve for x
    x = 159,667,571.13/14,625.40
  6. Step 6: Final answer
    x = 10,917.14

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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.