Home / 18,013.37-27,001.58-6,917.07

Finding the Fourth Proportional to 18,013.37, 27,001.58 and 6,917.07

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Solution

The fourth proportional to 18,013.37, 27,001.58 and 6,917.07 is: 10,368.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,013.37 : 27,001.58 = 6,917.07 : x
  2. Step 2: Convert to fraction form
    18,013.37/27,001.58 = 6,917.07/x
  3. Step 3: Cross multiply
    18,013.37x = 27,001.58 × 6,917.07
  4. Step 4: Simplify right side
    18,013.37x = 186,771,818.97
  5. Step 5: Solve for x
    x = 186,771,818.97/18,013.37
  6. Step 6: Final answer
    x = 10,368.51

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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.