Home / 14,121.46-19,490.39-8,152.77

Finding the Fourth Proportional to 14,121.46, 19,490.39 and 8,152.77

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Solution

The fourth proportional to 14,121.46, 19,490.39 and 8,152.77 is: 11,252.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.46 : 19,490.39 = 8,152.77 : x
  2. Step 2: Convert to fraction form
    14,121.46/19,490.39 = 8,152.77/x
  3. Step 3: Cross multiply
    14,121.46x = 19,490.39 × 8,152.77
  4. Step 4: Simplify right side
    14,121.46x = 158,900,666.88
  5. Step 5: Solve for x
    x = 158,900,666.88/14,121.46
  6. Step 6: Final answer
    x = 11,252.42

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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.