Home / 12,259.42-16,919.88-6,953.11

Finding the Fourth Proportional to 12,259.42, 16,919.88 and 6,953.11

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Solution

The fourth proportional to 12,259.42, 16,919.88 and 6,953.11 is: 9,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.42 : 16,919.88 = 6,953.11 : x
  2. Step 2: Convert to fraction form
    12,259.42/16,919.88 = 6,953.11/x
  3. Step 3: Cross multiply
    12,259.42x = 16,919.88 × 6,953.11
  4. Step 4: Simplify right side
    12,259.42x = 117,645,786.83
  5. Step 5: Solve for x
    x = 117,645,786.83/12,259.42
  6. Step 6: Final answer
    x = 9,596.36

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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.