Home / 12,296.14-16,948.44-8,712.30

Finding the Fourth Proportional to 12,296.14, 16,948.44 and 8,712.30

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Solution

The fourth proportional to 12,296.14, 16,948.44 and 8,712.30 is: 12,008.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.14 : 16,948.44 = 8,712.30 : x
  2. Step 2: Convert to fraction form
    12,296.14/16,948.44 = 8,712.30/x
  3. Step 3: Cross multiply
    12,296.14x = 16,948.44 × 8,712.30
  4. Step 4: Simplify right side
    12,296.14x = 147,659,893.81
  5. Step 5: Solve for x
    x = 147,659,893.81/12,296.14
  6. Step 6: Final answer
    x = 12,008.64

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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.