Home / 18,834.99-28,257.06-5,686.58

Finding the Fourth Proportional to 18,834.99, 28,257.06 and 5,686.58

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Solution

The fourth proportional to 18,834.99, 28,257.06 and 5,686.58 is: 8,531.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.99 : 28,257.06 = 5,686.58 : x
  2. Step 2: Convert to fraction form
    18,834.99/28,257.06 = 5,686.58/x
  3. Step 3: Cross multiply
    18,834.99x = 28,257.06 × 5,686.58
  4. Step 4: Simplify right side
    18,834.99x = 160,685,890.97
  5. Step 5: Solve for x
    x = 160,685,890.97/18,834.99
  6. Step 6: Final answer
    x = 8,531.24

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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.