Home / 16,913.57-25,362.36-5,062.78

Finding the Fourth Proportional to 16,913.57, 25,362.36 and 5,062.78

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Solution

The fourth proportional to 16,913.57, 25,362.36 and 5,062.78 is: 7,591.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.57 : 25,362.36 = 5,062.78 : x
  2. Step 2: Convert to fraction form
    16,913.57/25,362.36 = 5,062.78/x
  3. Step 3: Cross multiply
    16,913.57x = 25,362.36 × 5,062.78
  4. Step 4: Simplify right side
    16,913.57x = 128,403,985.55
  5. Step 5: Solve for x
    x = 128,403,985.55/16,913.57
  6. Step 6: Final answer
    x = 7,591.77

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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.