Home / 18,340.21-27,510.32-5,192.65

Finding the Fourth Proportional to 18,340.21, 27,510.32 and 5,192.65

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Solution

The fourth proportional to 18,340.21, 27,510.32 and 5,192.65 is: 7,788.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.21 : 27,510.32 = 5,192.65 : x
  2. Step 2: Convert to fraction form
    18,340.21/27,510.32 = 5,192.65/x
  3. Step 3: Cross multiply
    18,340.21x = 27,510.32 × 5,192.65
  4. Step 4: Simplify right side
    18,340.21x = 142,851,437.18
  5. Step 5: Solve for x
    x = 142,851,437.18/18,340.21
  6. Step 6: Final answer
    x = 7,788.98

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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.