Home / 16,667.81-25,004.13-5,571.20

Finding the Fourth Proportional to 16,667.81, 25,004.13 and 5,571.20

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Solution

The fourth proportional to 16,667.81, 25,004.13 and 5,571.20 is: 8,357.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,667.81 : 25,004.13 = 5,571.20 : x
  2. Step 2: Convert to fraction form
    16,667.81/25,004.13 = 5,571.20/x
  3. Step 3: Cross multiply
    16,667.81x = 25,004.13 × 5,571.20
  4. Step 4: Simplify right side
    16,667.81x = 139,303,009.06
  5. Step 5: Solve for x
    x = 139,303,009.06/16,667.81
  6. Step 6: Final answer
    x = 8,357.61

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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.