Home / 14,628.84-20,187.30-8,343.24

Finding the Fourth Proportional to 14,628.84, 20,187.30 and 8,343.24

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Solution

The fourth proportional to 14,628.84, 20,187.30 and 8,343.24 is: 11,513.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.84 : 20,187.30 = 8,343.24 : x
  2. Step 2: Convert to fraction form
    14,628.84/20,187.30 = 8,343.24/x
  3. Step 3: Cross multiply
    14,628.84x = 20,187.30 × 8,343.24
  4. Step 4: Simplify right side
    14,628.84x = 168,427,488.85
  5. Step 5: Solve for x
    x = 168,427,488.85/14,628.84
  6. Step 6: Final answer
    x = 11,513.39

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Double scale
Find fourth proportional to 14,629.84, 20,188.68 and 8,344.24
Similar ratio
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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.