Home / 14,900.24-20,561.49-8,928.92

Finding the Fourth Proportional to 14,900.24, 20,561.49 and 8,928.92

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Solution

The fourth proportional to 14,900.24, 20,561.49 and 8,928.92 is: 12,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.24 : 20,561.49 = 8,928.92 : x
  2. Step 2: Convert to fraction form
    14,900.24/20,561.49 = 8,928.92/x
  3. Step 3: Cross multiply
    14,900.24x = 20,561.49 × 8,928.92
  4. Step 4: Simplify right side
    14,900.24x = 183,591,796.48
  5. Step 5: Solve for x
    x = 183,591,796.48/14,900.24
  6. Step 6: Final answer
    x = 12,321.40

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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.