Home / 10,725.13-16,065.80-5,520.07

Finding the Fourth Proportional to 10,725.13, 16,065.80 and 5,520.07

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Solution

The fourth proportional to 10,725.13, 16,065.80 and 5,520.07 is: 8,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.13 : 16,065.80 = 5,520.07 : x
  2. Step 2: Convert to fraction form
    10,725.13/16,065.80 = 5,520.07/x
  3. Step 3: Cross multiply
    10,725.13x = 16,065.80 × 5,520.07
  4. Step 4: Simplify right side
    10,725.13x = 88,684,313.01
  5. Step 5: Solve for x
    x = 88,684,313.01/10,725.13
  6. Step 6: Final answer
    x = 8,268.83

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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.