Home / 14,946.82-20,624.70-8,979.56

Finding the Fourth Proportional to 14,946.82, 20,624.70 and 8,979.56

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Solution

The fourth proportional to 14,946.82, 20,624.70 and 8,979.56 is: 12,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,946.82 : 20,624.70 = 8,979.56 : x
  2. Step 2: Convert to fraction form
    14,946.82/20,624.70 = 8,979.56/x
  3. Step 3: Cross multiply
    14,946.82x = 20,624.70 × 8,979.56
  4. Step 4: Simplify right side
    14,946.82x = 185,200,731.13
  5. Step 5: Solve for x
    x = 185,200,731.13/14,946.82
  6. Step 6: Final answer
    x = 12,390.64

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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.