Home / 13,945.35-20,903.99-6,152.79

Finding the Fourth Proportional to 13,945.35, 20,903.99 and 6,152.79

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Solution

The fourth proportional to 13,945.35, 20,903.99 and 6,152.79 is: 9,222.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.35 : 20,903.99 = 6,152.79 : x
  2. Step 2: Convert to fraction form
    13,945.35/20,903.99 = 6,152.79/x
  3. Step 3: Cross multiply
    13,945.35x = 20,903.99 × 6,152.79
  4. Step 4: Simplify right side
    13,945.35x = 128,617,829.87
  5. Step 5: Solve for x
    x = 128,617,829.87/13,945.35
  6. Step 6: Final answer
    x = 9,222.99

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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.