Home / 16,665.63-25,010.75-7,900.57

Finding the Fourth Proportional to 16,665.63, 25,010.75 and 7,900.57

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Solution

The fourth proportional to 16,665.63, 25,010.75 and 7,900.57 is: 11,856.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.63 : 25,010.75 = 7,900.57 : x
  2. Step 2: Convert to fraction form
    16,665.63/25,010.75 = 7,900.57/x
  3. Step 3: Cross multiply
    16,665.63x = 25,010.75 × 7,900.57
  4. Step 4: Simplify right side
    16,665.63x = 197,599,181.13
  5. Step 5: Solve for x
    x = 197,599,181.13/16,665.63
  6. Step 6: Final answer
    x = 11,856.69

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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.