Home / 23,148.25-31,946.55-13,078.54

Finding the Fourth Proportional to 23,148.25, 31,946.55 and 13,078.54

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Solution

The fourth proportional to 23,148.25, 31,946.55 and 13,078.54 is: 18,049.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148.25 : 31,946.55 = 13,078.54 : x
  2. Step 2: Convert to fraction form
    23,148.25/31,946.55 = 13,078.54/x
  3. Step 3: Cross multiply
    23,148.25x = 31,946.55 × 13,078.54
  4. Step 4: Simplify right side
    23,148.25x = 417,814,232.04
  5. Step 5: Solve for x
    x = 417,814,232.04/23,148.25
  6. Step 6: Final answer
    x = 18,049.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.