Home / 14,972.90-20,662.44-8,258.81

Finding the Fourth Proportional to 14,972.90, 20,662.44 and 8,258.81

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Solution

The fourth proportional to 14,972.90, 20,662.44 and 8,258.81 is: 11,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.90 : 20,662.44 = 8,258.81 : x
  2. Step 2: Convert to fraction form
    14,972.90/20,662.44 = 8,258.81/x
  3. Step 3: Cross multiply
    14,972.90x = 20,662.44 × 8,258.81
  4. Step 4: Simplify right side
    14,972.90x = 170,647,062.78
  5. Step 5: Solve for x
    x = 170,647,062.78/14,972.90
  6. Step 6: Final answer
    x = 11,397.07

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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.