Home / 16,218-24,336.36-6,857.40

Finding the Fourth Proportional to 16,218, 24,336.36 and 6,857.40

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Solution

The fourth proportional to 16,218, 24,336.36 and 6,857.40 is: 10,290.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218 : 24,336.36 = 6,857.40 : x
  2. Step 2: Convert to fraction form
    16,218/24,336.36 = 6,857.40/x
  3. Step 3: Cross multiply
    16,218x = 24,336.36 × 6,857.40
  4. Step 4: Simplify right side
    16,218x = 166,884,155.06
  5. Step 5: Solve for x
    x = 166,884,155.06/16,218
  6. Step 6: Final answer
    x = 10,290.06

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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.