Home / 37,986.12-56,979.22-9,906.15

Finding the Fourth Proportional to 37,986.12, 56,979.22 and 9,906.15

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Solution

The fourth proportional to 37,986.12, 56,979.22 and 9,906.15 is: 14,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,986.12 : 56,979.22 = 9,906.15 : x
  2. Step 2: Convert to fraction form
    37,986.12/56,979.22 = 9,906.15/x
  3. Step 3: Cross multiply
    37,986.12x = 56,979.22 × 9,906.15
  4. Step 4: Simplify right side
    37,986.12x = 564,444,700.20
  5. Step 5: Solve for x
    x = 564,444,700.20/37,986.12
  6. Step 6: Final answer
    x = 14,859.24

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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.