Home / 14,976.30-20,660.70-9,004.50

Finding the Fourth Proportional to 14,976.30, 20,660.70 and 9,004.50

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Solution

The fourth proportional to 14,976.30, 20,660.70 and 9,004.50 is: 12,422.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976.30 : 20,660.70 = 9,004.50 : x
  2. Step 2: Convert to fraction form
    14,976.30/20,660.70 = 9,004.50/x
  3. Step 3: Cross multiply
    14,976.30x = 20,660.70 × 9,004.50
  4. Step 4: Simplify right side
    14,976.30x = 186,039,273.15
  5. Step 5: Solve for x
    x = 186,039,273.15/14,976.30
  6. Step 6: Final answer
    x = 12,422.25

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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.