Home / 19,108.60-28,622.47-12,084.98

Finding the Fourth Proportional to 19,108.60, 28,622.47 and 12,084.98

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Solution

The fourth proportional to 19,108.60, 28,622.47 and 12,084.98 is: 18,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.60 : 28,622.47 = 12,084.98 : x
  2. Step 2: Convert to fraction form
    19,108.60/28,622.47 = 12,084.98/x
  3. Step 3: Cross multiply
    19,108.60x = 28,622.47 × 12,084.98
  4. Step 4: Simplify right side
    19,108.60x = 345,901,977.50
  5. Step 5: Solve for x
    x = 345,901,977.50/19,108.60
  6. Step 6: Final answer
    x = 18,101.90

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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.