Home / 12,459.99-18,687.83-4,667.19

Finding the Fourth Proportional to 12,459.99, 18,687.83 and 4,667.19

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Solution

The fourth proportional to 12,459.99, 18,687.83 and 4,667.19 is: 6,999.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.99 : 18,687.83 = 4,667.19 : x
  2. Step 2: Convert to fraction form
    12,459.99/18,687.83 = 4,667.19/x
  3. Step 3: Cross multiply
    12,459.99x = 18,687.83 × 4,667.19
  4. Step 4: Simplify right side
    12,459.99x = 87,219,629.96
  5. Step 5: Solve for x
    x = 87,219,629.96/12,459.99
  6. Step 6: Final answer
    x = 6,999.98

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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.