Home / 16,664.63-25,009.25-7,899.57

Finding the Fourth Proportional to 16,664.63, 25,009.25 and 7,899.57

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Solution

The fourth proportional to 16,664.63, 25,009.25 and 7,899.57 is: 11,855.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,664.63 : 25,009.25 = 7,899.57 : x
  2. Step 2: Convert to fraction form
    16,664.63/25,009.25 = 7,899.57/x
  3. Step 3: Cross multiply
    16,664.63x = 25,009.25 × 7,899.57
  4. Step 4: Simplify right side
    16,664.63x = 197,562,281.52
  5. Step 5: Solve for x
    x = 197,562,281.52/16,664.63
  6. Step 6: Final answer
    x = 11,855.19

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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.