Home / 14,137.29-19,509.30-8,168.94

Finding the Fourth Proportional to 14,137.29, 19,509.30 and 8,168.94

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Solution

The fourth proportional to 14,137.29, 19,509.30 and 8,168.94 is: 11,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.29 : 19,509.30 = 8,168.94 : x
  2. Step 2: Convert to fraction form
    14,137.29/19,509.30 = 8,168.94/x
  3. Step 3: Cross multiply
    14,137.29x = 19,509.30 × 8,168.94
  4. Step 4: Simplify right side
    14,137.29x = 159,370,301.14
  5. Step 5: Solve for x
    x = 159,370,301.14/14,137.29
  6. Step 6: Final answer
    x = 11,273.04

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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.