Home / 14,272.06-21,398.97-6,861.77

Finding the Fourth Proportional to 14,272.06, 21,398.97 and 6,861.77

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Solution

The fourth proportional to 14,272.06, 21,398.97 and 6,861.77 is: 10,288.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.06 : 21,398.97 = 6,861.77 : x
  2. Step 2: Convert to fraction form
    14,272.06/21,398.97 = 6,861.77/x
  3. Step 3: Cross multiply
    14,272.06x = 21,398.97 × 6,861.77
  4. Step 4: Simplify right side
    14,272.06x = 146,834,810.38
  5. Step 5: Solve for x
    x = 146,834,810.38/14,272.06
  6. Step 6: Final answer
    x = 10,288.27

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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.