Home / 16,659.95-25,002.20-7,894.86

Finding the Fourth Proportional to 16,659.95, 25,002.20 and 7,894.86

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Solution

The fourth proportional to 16,659.95, 25,002.20 and 7,894.86 is: 11,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,659.95 : 25,002.20 = 7,894.86 : x
  2. Step 2: Convert to fraction form
    16,659.95/25,002.20 = 7,894.86/x
  3. Step 3: Cross multiply
    16,659.95x = 25,002.20 × 7,894.86
  4. Step 4: Simplify right side
    16,659.95x = 197,388,829.22
  5. Step 5: Solve for x
    x = 197,388,829.22/16,659.95
  6. Step 6: Final answer
    x = 11,848.11

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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.