Home / 14,251.81-21,355.83-8,696.83

Finding the Fourth Proportional to 14,251.81, 21,355.83 and 8,696.83

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Solution

The fourth proportional to 14,251.81, 21,355.83 and 8,696.83 is: 13,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.81 : 21,355.83 = 8,696.83 : x
  2. Step 2: Convert to fraction form
    14,251.81/21,355.83 = 8,696.83/x
  3. Step 3: Cross multiply
    14,251.81x = 21,355.83 × 8,696.83
  4. Step 4: Simplify right side
    14,251.81x = 185,728,023.02
  5. Step 5: Solve for x
    x = 185,728,023.02/14,251.81
  6. Step 6: Final answer
    x = 13,031.89

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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.