Home / 13,148.97-19,716.16-4,379.10

Finding the Fourth Proportional to 13,148.97, 19,716.16 and 4,379.10

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Solution

The fourth proportional to 13,148.97, 19,716.16 and 4,379.10 is: 6,566.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.97 : 19,716.16 = 4,379.10 : x
  2. Step 2: Convert to fraction form
    13,148.97/19,716.16 = 4,379.10/x
  3. Step 3: Cross multiply
    13,148.97x = 19,716.16 × 4,379.10
  4. Step 4: Simplify right side
    13,148.97x = 86,339,036.26
  5. Step 5: Solve for x
    x = 86,339,036.26/13,148.97
  6. Step 6: Final answer
    x = 6,566.22

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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.