Home / 12,609.08-17,400.56-6,943.64

Finding the Fourth Proportional to 12,609.08, 17,400.56 and 6,943.64

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Solution

The fourth proportional to 12,609.08, 17,400.56 and 6,943.64 is: 9,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609.08 : 17,400.56 = 6,943.64 : x
  2. Step 2: Convert to fraction form
    12,609.08/17,400.56 = 6,943.64/x
  3. Step 3: Cross multiply
    12,609.08x = 17,400.56 × 6,943.64
  4. Step 4: Simplify right side
    12,609.08x = 120,823,224.44
  5. Step 5: Solve for x
    x = 120,823,224.44/12,609.08
  6. Step 6: Final answer
    x = 9,582.24

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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.