Home / 14,972.50-20,661.64-8,258

Finding the Fourth Proportional to 14,972.50, 20,661.64 and 8,258

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Solution

The fourth proportional to 14,972.50, 20,661.64 and 8,258 is: 11,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.50 : 20,661.64 = 8,258 : x
  2. Step 2: Convert to fraction form
    14,972.50/20,661.64 = 8,258/x
  3. Step 3: Cross multiply
    14,972.50x = 20,661.64 × 8,258
  4. Step 4: Simplify right side
    14,972.50x = 170,623,823.12
  5. Step 5: Solve for x
    x = 170,623,823.12/14,972.50
  6. Step 6: Final answer
    x = 11,395.81

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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.