Home / 15,760.38-23,611.05-14,137.50

Finding the Fourth Proportional to 15,760.38, 23,611.05 and 14,137.50

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Solution

The fourth proportional to 15,760.38, 23,611.05 and 14,137.50 is: 21,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,760.38 : 23,611.05 = 14,137.50 : x
  2. Step 2: Convert to fraction form
    15,760.38/23,611.05 = 14,137.50/x
  3. Step 3: Cross multiply
    15,760.38x = 23,611.05 × 14,137.50
  4. Step 4: Simplify right side
    15,760.38x = 333,801,219.38
  5. Step 5: Solve for x
    x = 333,801,219.38/15,760.38
  6. Step 6: Final answer
    x = 21,179.77

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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.