Home / 19,250.95-28,890.24-8,160.74

Finding the Fourth Proportional to 19,250.95, 28,890.24 and 8,160.74

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Solution

The fourth proportional to 19,250.95, 28,890.24 and 8,160.74 is: 12,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250.95 : 28,890.24 = 8,160.74 : x
  2. Step 2: Convert to fraction form
    19,250.95/28,890.24 = 8,160.74/x
  3. Step 3: Cross multiply
    19,250.95x = 28,890.24 × 8,160.74
  4. Step 4: Simplify right side
    19,250.95x = 235,765,737.18
  5. Step 5: Solve for x
    x = 235,765,737.18/19,250.95
  6. Step 6: Final answer
    x = 12,246.97

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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.