Home / 18,493.69-25,519.91-10,534.36

Finding the Fourth Proportional to 18,493.69, 25,519.91 and 10,534.36

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Solution

The fourth proportional to 18,493.69, 25,519.91 and 10,534.36 is: 14,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.69 : 25,519.91 = 10,534.36 : x
  2. Step 2: Convert to fraction form
    18,493.69/25,519.91 = 10,534.36/x
  3. Step 3: Cross multiply
    18,493.69x = 25,519.91 × 10,534.36
  4. Step 4: Simplify right side
    18,493.69x = 268,835,919.11
  5. Step 5: Solve for x
    x = 268,835,919.11/18,493.69
  6. Step 6: Final answer
    x = 14,536.63

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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.