Home / 12,659.37-18,998.55-4,769.67

Finding the Fourth Proportional to 12,659.37, 18,998.55 and 4,769.67

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Solution

The fourth proportional to 12,659.37, 18,998.55 and 4,769.67 is: 7,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659.37 : 18,998.55 = 4,769.67 : x
  2. Step 2: Convert to fraction form
    12,659.37/18,998.55 = 4,769.67/x
  3. Step 3: Cross multiply
    12,659.37x = 18,998.55 × 4,769.67
  4. Step 4: Simplify right side
    12,659.37x = 90,616,813.98
  5. Step 5: Solve for x
    x = 90,616,813.98/12,659.37
  6. Step 6: Final answer
    x = 7,158.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.