Home / 13,519.33-18,653.97-7,550.08

Finding the Fourth Proportional to 13,519.33, 18,653.97 and 7,550.08

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Solution

The fourth proportional to 13,519.33, 18,653.97 and 7,550.08 is: 10,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519.33 : 18,653.97 = 7,550.08 : x
  2. Step 2: Convert to fraction form
    13,519.33/18,653.97 = 7,550.08/x
  3. Step 3: Cross multiply
    13,519.33x = 18,653.97 × 7,550.08
  4. Step 4: Simplify right side
    13,519.33x = 140,838,965.82
  5. Step 5: Solve for x
    x = 140,838,965.82/13,519.33
  6. Step 6: Final answer
    x = 10,417.60

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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.