Home / 12,727.08-17,558.16-9,182.52

Finding the Fourth Proportional to 12,727.08, 17,558.16 and 9,182.52

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Solution

The fourth proportional to 12,727.08, 17,558.16 and 9,182.52 is: 12,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.08 : 17,558.16 = 9,182.52 : x
  2. Step 2: Convert to fraction form
    12,727.08/17,558.16 = 9,182.52/x
  3. Step 3: Cross multiply
    12,727.08x = 17,558.16 × 9,182.52
  4. Step 4: Simplify right side
    12,727.08x = 161,228,155.36
  5. Step 5: Solve for x
    x = 161,228,155.36/12,727.08
  6. Step 6: Final answer
    x = 12,668.12

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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.