Home / 14,159.91-21,238.49-4,299.27

Finding the Fourth Proportional to 14,159.91, 21,238.49 and 4,299.27

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Solution

The fourth proportional to 14,159.91, 21,238.49 and 4,299.27 is: 6,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.91 : 21,238.49 = 4,299.27 : x
  2. Step 2: Convert to fraction form
    14,159.91/21,238.49 = 4,299.27/x
  3. Step 3: Cross multiply
    14,159.91x = 21,238.49 × 4,299.27
  4. Step 4: Simplify right side
    14,159.91x = 91,310,077.29
  5. Step 5: Solve for x
    x = 91,310,077.29/14,159.91
  6. Step 6: Final answer
    x = 6,448.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.