Home / 14,660.19-20,224.28-9,360.36

Finding the Fourth Proportional to 14,660.19, 20,224.28 and 9,360.36

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Solution

The fourth proportional to 14,660.19, 20,224.28 and 9,360.36 is: 12,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660.19 : 20,224.28 = 9,360.36 : x
  2. Step 2: Convert to fraction form
    14,660.19/20,224.28 = 9,360.36/x
  3. Step 3: Cross multiply
    14,660.19x = 20,224.28 × 9,360.36
  4. Step 4: Simplify right side
    14,660.19x = 189,306,564.94
  5. Step 5: Solve for x
    x = 189,306,564.94/14,660.19
  6. Step 6: Final answer
    x = 12,912.97

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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.