Home / 13,624.99-18,804.23-8,318.68

Finding the Fourth Proportional to 13,624.99, 18,804.23 and 8,318.68

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Solution

The fourth proportional to 13,624.99, 18,804.23 and 8,318.68 is: 11,480.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.99 : 18,804.23 = 8,318.68 : x
  2. Step 2: Convert to fraction form
    13,624.99/18,804.23 = 8,318.68/x
  3. Step 3: Cross multiply
    13,624.99x = 18,804.23 × 8,318.68
  4. Step 4: Simplify right side
    13,624.99x = 156,426,372.02
  5. Step 5: Solve for x
    x = 156,426,372.02/13,624.99
  6. Step 6: Final answer
    x = 11,480.84

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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.