Home / 15,611.52-23,411.41-5,078.79

Finding the Fourth Proportional to 15,611.52, 23,411.41 and 5,078.79

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Solution

The fourth proportional to 15,611.52, 23,411.41 and 5,078.79 is: 7,616.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.52 : 23,411.41 = 5,078.79 : x
  2. Step 2: Convert to fraction form
    15,611.52/23,411.41 = 5,078.79/x
  3. Step 3: Cross multiply
    15,611.52x = 23,411.41 × 5,078.79
  4. Step 4: Simplify right side
    15,611.52x = 118,901,634.99
  5. Step 5: Solve for x
    x = 118,901,634.99/15,611.52
  6. Step 6: Final answer
    x = 7,616.28

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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.