Home / 16,911.90-25,367.76-5,818.50

Finding the Fourth Proportional to 16,911.90, 25,367.76 and 5,818.50

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Solution

The fourth proportional to 16,911.90, 25,367.76 and 5,818.50 is: 8,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.90 : 25,367.76 = 5,818.50 : x
  2. Step 2: Convert to fraction form
    16,911.90/25,367.76 = 5,818.50/x
  3. Step 3: Cross multiply
    16,911.90x = 25,367.76 × 5,818.50
  4. Step 4: Simplify right side
    16,911.90x = 147,602,311.56
  5. Step 5: Solve for x
    x = 147,602,311.56/16,911.90
  6. Step 6: Final answer
    x = 8,727.72

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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.