Home / 18,315.37-27,472.74-5,835.19

Finding the Fourth Proportional to 18,315.37, 27,472.74 and 5,835.19

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Solution

The fourth proportional to 18,315.37, 27,472.74 and 5,835.19 is: 8,752.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315.37 : 27,472.74 = 5,835.19 : x
  2. Step 2: Convert to fraction form
    18,315.37/27,472.74 = 5,835.19/x
  3. Step 3: Cross multiply
    18,315.37x = 27,472.74 × 5,835.19
  4. Step 4: Simplify right side
    18,315.37x = 160,308,667.90
  5. Step 5: Solve for x
    x = 160,308,667.90/18,315.37
  6. Step 6: Final answer
    x = 8,752.69

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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.