Home / 16,859.61-25,289.42-4,378.59

Finding the Fourth Proportional to 16,859.61, 25,289.42 and 4,378.59

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Solution

The fourth proportional to 16,859.61, 25,289.42 and 4,378.59 is: 6,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.61 : 25,289.42 = 4,378.59 : x
  2. Step 2: Convert to fraction form
    16,859.61/25,289.42 = 4,378.59/x
  3. Step 3: Cross multiply
    16,859.61x = 25,289.42 × 4,378.59
  4. Step 4: Simplify right side
    16,859.61x = 110,731,979.62
  5. Step 5: Solve for x
    x = 110,731,979.62/16,859.61
  6. Step 6: Final answer
    x = 6,567.89

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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.