Home / 14,396.99-21,519.50-12,508.07

Finding the Fourth Proportional to 14,396.99, 21,519.50 and 12,508.07

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Solution

The fourth proportional to 14,396.99, 21,519.50 and 12,508.07 is: 18,696.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,396.99 : 21,519.50 = 12,508.07 : x
  2. Step 2: Convert to fraction form
    14,396.99/21,519.50 = 12,508.07/x
  3. Step 3: Cross multiply
    14,396.99x = 21,519.50 × 12,508.07
  4. Step 4: Simplify right side
    14,396.99x = 269,167,242.23
  5. Step 5: Solve for x
    x = 269,167,242.23/14,396.99
  6. Step 6: Final answer
    x = 18,696.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.