Home / 18,125.74-27,185.37-4,798.81

Finding the Fourth Proportional to 18,125.74, 27,185.37 and 4,798.81

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Solution

The fourth proportional to 18,125.74, 27,185.37 and 4,798.81 is: 7,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.74 : 27,185.37 = 4,798.81 : x
  2. Step 2: Convert to fraction form
    18,125.74/27,185.37 = 4,798.81/x
  3. Step 3: Cross multiply
    18,125.74x = 27,185.37 × 4,798.81
  4. Step 4: Simplify right side
    18,125.74x = 130,457,425.41
  5. Step 5: Solve for x
    x = 130,457,425.41/18,125.74
  6. Step 6: Final answer
    x = 7,197.36

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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.