Home / 16,289.09-22,459.24-13,766.75

Finding the Fourth Proportional to 16,289.09, 22,459.24 and 13,766.75

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Solution

The fourth proportional to 16,289.09, 22,459.24 and 13,766.75 is: 18,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,289.09 : 22,459.24 = 13,766.75 : x
  2. Step 2: Convert to fraction form
    16,289.09/22,459.24 = 13,766.75/x
  3. Step 3: Cross multiply
    16,289.09x = 22,459.24 × 13,766.75
  4. Step 4: Simplify right side
    16,289.09x = 309,190,742.27
  5. Step 5: Solve for x
    x = 309,190,742.27/16,289.09
  6. Step 6: Final answer
    x = 18,981.46

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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.