Home / 14,564.67-20,105.54-9,191.94

Finding the Fourth Proportional to 14,564.67, 20,105.54 and 9,191.94

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Solution

The fourth proportional to 14,564.67, 20,105.54 and 9,191.94 is: 12,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,564.67 : 20,105.54 = 9,191.94 : x
  2. Step 2: Convert to fraction form
    14,564.67/20,105.54 = 9,191.94/x
  3. Step 3: Cross multiply
    14,564.67x = 20,105.54 × 9,191.94
  4. Step 4: Simplify right side
    14,564.67x = 184,808,917.35
  5. Step 5: Solve for x
    x = 184,808,917.35/14,564.67
  6. Step 6: Final answer
    x = 12,688.85

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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.