Home / 19,310.45-28,970.30-8,059.53

Finding the Fourth Proportional to 19,310.45, 28,970.30 and 8,059.53

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Solution

The fourth proportional to 19,310.45, 28,970.30 and 8,059.53 is: 12,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.45 : 28,970.30 = 8,059.53 : x
  2. Step 2: Convert to fraction form
    19,310.45/28,970.30 = 8,059.53/x
  3. Step 3: Cross multiply
    19,310.45x = 28,970.30 × 8,059.53
  4. Step 4: Simplify right side
    19,310.45x = 233,487,074.38
  5. Step 5: Solve for x
    x = 233,487,074.38/19,310.45
  6. Step 6: Final answer
    x = 12,091.23

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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.