Home / 12,288.10-16,958.04-6,983.83

Finding the Fourth Proportional to 12,288.10, 16,958.04 and 6,983.83

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Solution

The fourth proportional to 12,288.10, 16,958.04 and 6,983.83 is: 9,637.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288.10 : 16,958.04 = 6,983.83 : x
  2. Step 2: Convert to fraction form
    12,288.10/16,958.04 = 6,983.83/x
  3. Step 3: Cross multiply
    12,288.10x = 16,958.04 × 6,983.83
  4. Step 4: Simplify right side
    12,288.10x = 118,432,068.49
  5. Step 5: Solve for x
    x = 118,432,068.49/12,288.10
  6. Step 6: Final answer
    x = 9,637.95

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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.