Home / 14,170.46-21,258.52-7,939.32

Finding the Fourth Proportional to 14,170.46, 21,258.52 and 7,939.32

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Solution

The fourth proportional to 14,170.46, 21,258.52 and 7,939.32 is: 11,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.46 : 21,258.52 = 7,939.32 : x
  2. Step 2: Convert to fraction form
    14,170.46/21,258.52 = 7,939.32/x
  3. Step 3: Cross multiply
    14,170.46x = 21,258.52 × 7,939.32
  4. Step 4: Simplify right side
    14,170.46x = 168,778,193.01
  5. Step 5: Solve for x
    x = 168,778,193.01/14,170.46
  6. Step 6: Final answer
    x = 11,910.57

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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.