Home / 15,785.32-23,670.69-5,917.54

Finding the Fourth Proportional to 15,785.32, 23,670.69 and 5,917.54

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Solution

The fourth proportional to 15,785.32, 23,670.69 and 5,917.54 is: 8,873.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,785.32 : 23,670.69 = 5,917.54 : x
  2. Step 2: Convert to fraction form
    15,785.32/23,670.69 = 5,917.54/x
  3. Step 3: Cross multiply
    15,785.32x = 23,670.69 × 5,917.54
  4. Step 4: Simplify right side
    15,785.32x = 140,072,254.90
  5. Step 5: Solve for x
    x = 140,072,254.90/15,785.32
  6. Step 6: Final answer
    x = 8,873.58

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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.