Home / 12,019.27-16,563.16-8,655.74

Finding the Fourth Proportional to 12,019.27, 16,563.16 and 8,655.74

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Solution

The fourth proportional to 12,019.27, 16,563.16 and 8,655.74 is: 11,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019.27 : 16,563.16 = 8,655.74 : x
  2. Step 2: Convert to fraction form
    12,019.27/16,563.16 = 8,655.74/x
  3. Step 3: Cross multiply
    12,019.27x = 16,563.16 × 8,655.74
  4. Step 4: Simplify right side
    12,019.27x = 143,366,325.73
  5. Step 5: Solve for x
    x = 143,366,325.73/12,019.27
  6. Step 6: Final answer
    x = 11,928.04

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Similar ratio
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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.