Home / 17,711.55-26,574.50-6,621.41

Finding the Fourth Proportional to 17,711.55, 26,574.50 and 6,621.41

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Solution

The fourth proportional to 17,711.55, 26,574.50 and 6,621.41 is: 9,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,711.55 : 26,574.50 = 6,621.41 : x
  2. Step 2: Convert to fraction form
    17,711.55/26,574.50 = 6,621.41/x
  3. Step 3: Cross multiply
    17,711.55x = 26,574.50 × 6,621.41
  4. Step 4: Simplify right side
    17,711.55x = 175,960,660.05
  5. Step 5: Solve for x
    x = 175,960,660.05/17,711.55
  6. Step 6: Final answer
    x = 9,934.80

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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.