Home / 18,338.07-27,510.81-5,857.72

Finding the Fourth Proportional to 18,338.07, 27,510.81 and 5,857.72

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Solution

The fourth proportional to 18,338.07, 27,510.81 and 5,857.72 is: 8,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.07 : 27,510.81 = 5,857.72 : x
  2. Step 2: Convert to fraction form
    18,338.07/27,510.81 = 5,857.72/x
  3. Step 3: Cross multiply
    18,338.07x = 27,510.81 × 5,857.72
  4. Step 4: Simplify right side
    18,338.07x = 161,150,621.95
  5. Step 5: Solve for x
    x = 161,150,621.95/18,338.07
  6. Step 6: Final answer
    x = 8,787.76

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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.