Home / 23,145.60-31,940.94-12,535.26

Finding the Fourth Proportional to 23,145.60, 31,940.94 and 12,535.26

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Solution

The fourth proportional to 23,145.60, 31,940.94 and 12,535.26 is: 17,298.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.60 : 31,940.94 = 12,535.26 : x
  2. Step 2: Convert to fraction form
    23,145.60/31,940.94 = 12,535.26/x
  3. Step 3: Cross multiply
    23,145.60x = 31,940.94 × 12,535.26
  4. Step 4: Simplify right side
    23,145.60x = 400,387,987.54
  5. Step 5: Solve for x
    x = 400,387,987.54/23,145.60
  6. Step 6: Final answer
    x = 17,298.67

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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.