Home / 9,380.09-12,944.13-5,130.97

Finding the Fourth Proportional to 9,380.09, 12,944.13 and 5,130.97

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Solution

The fourth proportional to 9,380.09, 12,944.13 and 5,130.97 is: 7,080.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,380.09 : 12,944.13 = 5,130.97 : x
  2. Step 2: Convert to fraction form
    9,380.09/12,944.13 = 5,130.97/x
  3. Step 3: Cross multiply
    9,380.09x = 12,944.13 × 5,130.97
  4. Step 4: Simplify right side
    9,380.09x = 66,415,942.71
  5. Step 5: Solve for x
    x = 66,415,942.71/9,380.09
  6. Step 6: Final answer
    x = 7,080.52

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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.