Home / 19,152.42-28,737.33-8,616.63

Finding the Fourth Proportional to 19,152.42, 28,737.33 and 8,616.63

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Solution

The fourth proportional to 19,152.42, 28,737.33 and 8,616.63 is: 12,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.42 : 28,737.33 = 8,616.63 : x
  2. Step 2: Convert to fraction form
    19,152.42/28,737.33 = 8,616.63/x
  3. Step 3: Cross multiply
    19,152.42x = 28,737.33 × 8,616.63
  4. Step 4: Simplify right side
    19,152.42x = 247,618,902.07
  5. Step 5: Solve for x
    x = 247,618,902.07/19,152.42
  6. Step 6: Final answer
    x = 12,928.85

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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.