Home / 16,930.28-25,395.57-5,243.49

Finding the Fourth Proportional to 16,930.28, 25,395.57 and 5,243.49

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Solution

The fourth proportional to 16,930.28, 25,395.57 and 5,243.49 is: 7,865.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.28 : 25,395.57 = 5,243.49 : x
  2. Step 2: Convert to fraction form
    16,930.28/25,395.57 = 5,243.49/x
  3. Step 3: Cross multiply
    16,930.28x = 25,395.57 × 5,243.49
  4. Step 4: Simplify right side
    16,930.28x = 133,161,417.34
  5. Step 5: Solve for x
    x = 133,161,417.34/16,930.28
  6. Step 6: Final answer
    x = 7,865.28

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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.