Home / 13,807.07-19,054.16-7,519.85

Finding the Fourth Proportional to 13,807.07, 19,054.16 and 7,519.85

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Solution

The fourth proportional to 13,807.07, 19,054.16 and 7,519.85 is: 10,377.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.07 : 19,054.16 = 7,519.85 : x
  2. Step 2: Convert to fraction form
    13,807.07/19,054.16 = 7,519.85/x
  3. Step 3: Cross multiply
    13,807.07x = 19,054.16 × 7,519.85
  4. Step 4: Simplify right side
    13,807.07x = 143,284,425.08
  5. Step 5: Solve for x
    x = 143,284,425.08/13,807.07
  6. Step 6: Final answer
    x = 10,377.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.