Home / 12,288.96-16,957.76-6,911.10

Finding the Fourth Proportional to 12,288.96, 16,957.76 and 6,911.10

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Solution

The fourth proportional to 12,288.96, 16,957.76 and 6,911.10 is: 9,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288.96 : 16,957.76 = 6,911.10 : x
  2. Step 2: Convert to fraction form
    12,288.96/16,957.76 = 6,911.10/x
  3. Step 3: Cross multiply
    12,288.96x = 16,957.76 × 6,911.10
  4. Step 4: Simplify right side
    12,288.96x = 117,196,740.58
  5. Step 5: Solve for x
    x = 117,196,740.58/12,288.96
  6. Step 6: Final answer
    x = 9,536.75

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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.