Home / 16,665.61-25,010.70-7,900.49

Finding the Fourth Proportional to 16,665.61, 25,010.70 and 7,900.49

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Solution

The fourth proportional to 16,665.61, 25,010.70 and 7,900.49 is: 11,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.61 : 25,010.70 = 7,900.49 : x
  2. Step 2: Convert to fraction form
    16,665.61/25,010.70 = 7,900.49/x
  3. Step 3: Cross multiply
    16,665.61x = 25,010.70 × 7,900.49
  4. Step 4: Simplify right side
    16,665.61x = 197,596,785.24
  5. Step 5: Solve for x
    x = 197,596,785.24/16,665.61
  6. Step 6: Final answer
    x = 11,856.56

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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.