Home / 15,999.45-23,980.49-12,037.98

Finding the Fourth Proportional to 15,999.45, 23,980.49 and 12,037.98

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Solution

The fourth proportional to 15,999.45, 23,980.49 and 12,037.98 is: 18,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.45 : 23,980.49 = 12,037.98 : x
  2. Step 2: Convert to fraction form
    15,999.45/23,980.49 = 12,037.98/x
  3. Step 3: Cross multiply
    15,999.45x = 23,980.49 × 12,037.98
  4. Step 4: Simplify right side
    15,999.45x = 288,676,659.01
  5. Step 5: Solve for x
    x = 288,676,659.01/15,999.45
  6. Step 6: Final answer
    x = 18,042.91

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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.