Home / 12,224.55-16,870.11-6,919.35

Finding the Fourth Proportional to 12,224.55, 16,870.11 and 6,919.35

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Solution

The fourth proportional to 12,224.55, 16,870.11 and 6,919.35 is: 9,548.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.55 : 16,870.11 = 6,919.35 : x
  2. Step 2: Convert to fraction form
    12,224.55/16,870.11 = 6,919.35/x
  3. Step 3: Cross multiply
    12,224.55x = 16,870.11 × 6,919.35
  4. Step 4: Simplify right side
    12,224.55x = 116,730,195.63
  5. Step 5: Solve for x
    x = 116,730,195.63/12,224.55
  6. Step 6: Final answer
    x = 9,548.83

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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.