Home / 20,340.09-30,457.08-16,369.67

Finding the Fourth Proportional to 20,340.09, 30,457.08 and 16,369.67

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Solution

The fourth proportional to 20,340.09, 30,457.08 and 16,369.67 is: 24,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,340.09 : 30,457.08 = 16,369.67 : x
  2. Step 2: Convert to fraction form
    20,340.09/30,457.08 = 16,369.67/x
  3. Step 3: Cross multiply
    20,340.09x = 30,457.08 × 16,369.67
  4. Step 4: Simplify right side
    20,340.09x = 498,572,196.48
  5. Step 5: Solve for x
    x = 498,572,196.48/20,340.09
  6. Step 6: Final answer
    x = 24,511.80

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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.