Home / 19,123.21-28,674.95-8,584.19

Finding the Fourth Proportional to 19,123.21, 28,674.95 and 8,584.19

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Solution

The fourth proportional to 19,123.21, 28,674.95 and 8,584.19 is: 12,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123.21 : 28,674.95 = 8,584.19 : x
  2. Step 2: Convert to fraction form
    19,123.21/28,674.95 = 8,584.19/x
  3. Step 3: Cross multiply
    19,123.21x = 28,674.95 × 8,584.19
  4. Step 4: Simplify right side
    19,123.21x = 246,151,140.28
  5. Step 5: Solve for x
    x = 246,151,140.28/19,123.21
  6. Step 6: Final answer
    x = 12,871.85

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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.