Home / 13,807.33-19,054.09-7,519.71

Finding the Fourth Proportional to 13,807.33, 19,054.09 and 7,519.71

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Solution

The fourth proportional to 13,807.33, 19,054.09 and 7,519.71 is: 10,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.33 : 19,054.09 = 7,519.71 : x
  2. Step 2: Convert to fraction form
    13,807.33/19,054.09 = 7,519.71/x
  3. Step 3: Cross multiply
    13,807.33x = 19,054.09 × 7,519.71
  4. Step 4: Simplify right side
    13,807.33x = 143,281,231.11
  5. Step 5: Solve for x
    x = 143,281,231.11/13,807.33
  6. Step 6: Final answer
    x = 10,377.19

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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.