Home / 13,254.09-19,883.55-5,458.65

Finding the Fourth Proportional to 13,254.09, 19,883.55 and 5,458.65

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Solution

The fourth proportional to 13,254.09, 19,883.55 and 5,458.65 is: 8,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.09 : 19,883.55 = 5,458.65 : x
  2. Step 2: Convert to fraction form
    13,254.09/19,883.55 = 5,458.65/x
  3. Step 3: Cross multiply
    13,254.09x = 19,883.55 × 5,458.65
  4. Step 4: Simplify right side
    13,254.09x = 108,537,340.21
  5. Step 5: Solve for x
    x = 108,537,340.21/13,254.09
  6. Step 6: Final answer
    x = 8,188.97

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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.