Home / 12,225.16-16,867.92-6,918.84

Finding the Fourth Proportional to 12,225.16, 16,867.92 and 6,918.84

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Solution

The fourth proportional to 12,225.16, 16,867.92 and 6,918.84 is: 9,546.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225.16 : 16,867.92 = 6,918.84 : x
  2. Step 2: Convert to fraction form
    12,225.16/16,867.92 = 6,918.84/x
  3. Step 3: Cross multiply
    12,225.16x = 16,867.92 × 6,918.84
  4. Step 4: Simplify right side
    12,225.16x = 116,706,439.61
  5. Step 5: Solve for x
    x = 116,706,439.61/12,225.16
  6. Step 6: Final answer
    x = 9,546.41

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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.