Home / 15,857.16-23,785.74-4,170.36

Finding the Fourth Proportional to 15,857.16, 23,785.74 and 4,170.36

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Solution

The fourth proportional to 15,857.16, 23,785.74 and 4,170.36 is: 6,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.16 : 23,785.74 = 4,170.36 : x
  2. Step 2: Convert to fraction form
    15,857.16/23,785.74 = 4,170.36/x
  3. Step 3: Cross multiply
    15,857.16x = 23,785.74 × 4,170.36
  4. Step 4: Simplify right side
    15,857.16x = 99,195,098.67
  5. Step 5: Solve for x
    x = 99,195,098.67/15,857.16
  6. Step 6: Final answer
    x = 6,255.54

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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.