Home / 12,039.08-16,613.61-6,734.48

Finding the Fourth Proportional to 12,039.08, 16,613.61 and 6,734.48

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Solution

The fourth proportional to 12,039.08, 16,613.61 and 6,734.48 is: 9,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.08 : 16,613.61 = 6,734.48 : x
  2. Step 2: Convert to fraction form
    12,039.08/16,613.61 = 6,734.48/x
  3. Step 3: Cross multiply
    12,039.08x = 16,613.61 × 6,734.48
  4. Step 4: Simplify right side
    12,039.08x = 111,884,024.27
  5. Step 5: Solve for x
    x = 111,884,024.27/12,039.08
  6. Step 6: Final answer
    x = 9,293.40

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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.