Home / 13,807.26-19,054.08-7,519.64

Finding the Fourth Proportional to 13,807.26, 19,054.08 and 7,519.64

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Solution

The fourth proportional to 13,807.26, 19,054.08 and 7,519.64 is: 10,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.26 : 19,054.08 = 7,519.64 : x
  2. Step 2: Convert to fraction form
    13,807.26/19,054.08 = 7,519.64/x
  3. Step 3: Cross multiply
    13,807.26x = 19,054.08 × 7,519.64
  4. Step 4: Simplify right side
    13,807.26x = 143,279,822.13
  5. Step 5: Solve for x
    x = 143,279,822.13/13,807.26
  6. Step 6: Final answer
    x = 10,377.14

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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.