Home / 12,946.92-17,867.30-7,358.44

Finding the Fourth Proportional to 12,946.92, 17,867.30 and 7,358.44

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Solution

The fourth proportional to 12,946.92, 17,867.30 and 7,358.44 is: 10,154.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.92 : 17,867.30 = 7,358.44 : x
  2. Step 2: Convert to fraction form
    12,946.92/17,867.30 = 7,358.44/x
  3. Step 3: Cross multiply
    12,946.92x = 17,867.30 × 7,358.44
  4. Step 4: Simplify right side
    12,946.92x = 131,475,455.01
  5. Step 5: Solve for x
    x = 131,475,455.01/12,946.92
  6. Step 6: Final answer
    x = 10,154.96

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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.