Home / 13,118.46-19,665.80-5,225.65

Finding the Fourth Proportional to 13,118.46, 19,665.80 and 5,225.65

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Solution

The fourth proportional to 13,118.46, 19,665.80 and 5,225.65 is: 7,833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.46 : 19,665.80 = 5,225.65 : x
  2. Step 2: Convert to fraction form
    13,118.46/19,665.80 = 5,225.65/x
  3. Step 3: Cross multiply
    13,118.46x = 19,665.80 × 5,225.65
  4. Step 4: Simplify right side
    13,118.46x = 102,766,561.47
  5. Step 5: Solve for x
    x = 102,766,561.47/13,118.46
  6. Step 6: Final answer
    x = 7,833.74

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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.