Home / 12,656.27-17,449.26-8,670.26

Finding the Fourth Proportional to 12,656.27, 17,449.26 and 8,670.26

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Solution

The fourth proportional to 12,656.27, 17,449.26 and 8,670.26 is: 11,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656.27 : 17,449.26 = 8,670.26 : x
  2. Step 2: Convert to fraction form
    12,656.27/17,449.26 = 8,670.26/x
  3. Step 3: Cross multiply
    12,656.27x = 17,449.26 × 8,670.26
  4. Step 4: Simplify right side
    12,656.27x = 151,289,533.76
  5. Step 5: Solve for x
    x = 151,289,533.76/12,656.27
  6. Step 6: Final answer
    x = 11,953.73

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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.