Home / 13,955.74-20,951.37-9,045.92

Finding the Fourth Proportional to 13,955.74, 20,951.37 and 9,045.92

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Solution

The fourth proportional to 13,955.74, 20,951.37 and 9,045.92 is: 13,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.74 : 20,951.37 = 9,045.92 : x
  2. Step 2: Convert to fraction form
    13,955.74/20,951.37 = 9,045.92/x
  3. Step 3: Cross multiply
    13,955.74x = 20,951.37 × 9,045.92
  4. Step 4: Simplify right side
    13,955.74x = 189,524,469.29
  5. Step 5: Solve for x
    x = 189,524,469.29/13,955.74
  6. Step 6: Final answer
    x = 13,580.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.