Home / 11,937.12-17,913.45-4,541.64

Finding the Fourth Proportional to 11,937.12, 17,913.45 and 4,541.64

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Solution

The fourth proportional to 11,937.12, 17,913.45 and 4,541.64 is: 6,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.12 : 17,913.45 = 4,541.64 : x
  2. Step 2: Convert to fraction form
    11,937.12/17,913.45 = 4,541.64/x
  3. Step 3: Cross multiply
    11,937.12x = 17,913.45 × 4,541.64
  4. Step 4: Simplify right side
    11,937.12x = 81,356,478.19
  5. Step 5: Solve for x
    x = 81,356,478.19/11,937.12
  6. Step 6: Final answer
    x = 6,815.42

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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.