Home / 12,319.92-17,001.36-6,730.92

Finding the Fourth Proportional to 12,319.92, 17,001.36 and 6,730.92

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Solution

The fourth proportional to 12,319.92, 17,001.36 and 6,730.92 is: 9,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.92 : 17,001.36 = 6,730.92 : x
  2. Step 2: Convert to fraction form
    12,319.92/17,001.36 = 6,730.92/x
  3. Step 3: Cross multiply
    12,319.92x = 17,001.36 × 6,730.92
  4. Step 4: Simplify right side
    12,319.92x = 114,434,794.05
  5. Step 5: Solve for x
    x = 114,434,794.05/12,319.92
  6. Step 6: Final answer
    x = 9,288.60

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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.