Home / 18,155.46-27,228.32-5,004.72

Finding the Fourth Proportional to 18,155.46, 27,228.32 and 5,004.72

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Solution

The fourth proportional to 18,155.46, 27,228.32 and 5,004.72 is: 7,505.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.46 : 27,228.32 = 5,004.72 : x
  2. Step 2: Convert to fraction form
    18,155.46/27,228.32 = 5,004.72/x
  3. Step 3: Cross multiply
    18,155.46x = 27,228.32 × 5,004.72
  4. Step 4: Simplify right side
    18,155.46x = 136,270,117.67
  5. Step 5: Solve for x
    x = 136,270,117.67/18,155.46
  6. Step 6: Final answer
    x = 7,505.74

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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.