Home / 16,669.12-25,011.76-7,893.60

Finding the Fourth Proportional to 16,669.12, 25,011.76 and 7,893.60

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Solution

The fourth proportional to 16,669.12, 25,011.76 and 7,893.60 is: 11,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,669.12 : 25,011.76 = 7,893.60 : x
  2. Step 2: Convert to fraction form
    16,669.12/25,011.76 = 7,893.60/x
  3. Step 3: Cross multiply
    16,669.12x = 25,011.76 × 7,893.60
  4. Step 4: Simplify right side
    16,669.12x = 197,432,828.74
  5. Step 5: Solve for x
    x = 197,432,828.74/16,669.12
  6. Step 6: Final answer
    x = 11,844.23

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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.