Home / 13,080.27-18,050.90-7,112.07

Finding the Fourth Proportional to 13,080.27, 18,050.90 and 7,112.07

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Solution

The fourth proportional to 13,080.27, 18,050.90 and 7,112.07 is: 9,814.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.27 : 18,050.90 = 7,112.07 : x
  2. Step 2: Convert to fraction form
    13,080.27/18,050.90 = 7,112.07/x
  3. Step 3: Cross multiply
    13,080.27x = 18,050.90 × 7,112.07
  4. Step 4: Simplify right side
    13,080.27x = 128,379,282.14
  5. Step 5: Solve for x
    x = 128,379,282.14/13,080.27
  6. Step 6: Final answer
    x = 9,814.73

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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.