Home / 14,418.87-19,900.00-8,452.91

Finding the Fourth Proportional to 14,418.87, 19,900.00 and 8,452.91

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Solution

The fourth proportional to 14,418.87, 19,900.00 and 8,452.91 is: 11,666.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.87 : 19,900.00 = 8,452.91 : x
  2. Step 2: Convert to fraction form
    14,418.87/19,900.00 = 8,452.91/x
  3. Step 3: Cross multiply
    14,418.87x = 19,900.00 × 8,452.91
  4. Step 4: Simplify right side
    14,418.87x = 168,212,969.32
  5. Step 5: Solve for x
    x = 168,212,969.32/14,418.87
  6. Step 6: Final answer
    x = 11,666.17

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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.