Home / 16,869.67-25,319.93-8,555.42

Finding the Fourth Proportional to 16,869.67, 25,319.93 and 8,555.42

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Solution

The fourth proportional to 16,869.67, 25,319.93 and 8,555.42 is: 12,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.67 : 25,319.93 = 8,555.42 : x
  2. Step 2: Convert to fraction form
    16,869.67/25,319.93 = 8,555.42/x
  3. Step 3: Cross multiply
    16,869.67x = 25,319.93 × 8,555.42
  4. Step 4: Simplify right side
    16,869.67x = 216,622,635.52
  5. Step 5: Solve for x
    x = 216,622,635.52/16,869.67
  6. Step 6: Final answer
    x = 12,840.95

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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.