Home / 12,319.08-17,000.58-6,730.44

Finding the Fourth Proportional to 12,319.08, 17,000.58 and 6,730.44

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Solution

The fourth proportional to 12,319.08, 17,000.58 and 6,730.44 is: 9,288.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,319.08 : 17,000.58 = 6,730.44 : x
  2. Step 2: Convert to fraction form
    12,319.08/17,000.58 = 6,730.44/x
  3. Step 3: Cross multiply
    12,319.08x = 17,000.58 × 6,730.44
  4. Step 4: Simplify right side
    12,319.08x = 114,421,383.66
  5. Step 5: Solve for x
    x = 114,421,383.66/12,319.08
  6. Step 6: Final answer
    x = 9,288.14

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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.