Home / 18,160.89-25,076.03-14,639.82

Finding the Fourth Proportional to 18,160.89, 25,076.03 and 14,639.82

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Solution

The fourth proportional to 18,160.89, 25,076.03 and 14,639.82 is: 20,214.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.89 : 25,076.03 = 14,639.82 : x
  2. Step 2: Convert to fraction form
    18,160.89/25,076.03 = 14,639.82/x
  3. Step 3: Cross multiply
    18,160.89x = 25,076.03 × 14,639.82
  4. Step 4: Simplify right side
    18,160.89x = 367,108,492.32
  5. Step 5: Solve for x
    x = 367,108,492.32/18,160.89
  6. Step 6: Final answer
    x = 20,214.23

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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.