Home / 13,807.36-19,054.36-7,519.72

Finding the Fourth Proportional to 13,807.36, 19,054.36 and 7,519.72

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Solution

The fourth proportional to 13,807.36, 19,054.36 and 7,519.72 is: 10,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.36 : 19,054.36 = 7,519.72 : x
  2. Step 2: Convert to fraction form
    13,807.36/19,054.36 = 7,519.72/x
  3. Step 3: Cross multiply
    13,807.36x = 19,054.36 × 7,519.72
  4. Step 4: Simplify right side
    13,807.36x = 143,283,451.98
  5. Step 5: Solve for x
    x = 143,283,451.98/13,807.36
  6. Step 6: Final answer
    x = 10,377.32

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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.